Home / 52,372.16-78,558.24-43,118.72

Finding the Fourth Proportional to 52,372.16, 78,558.24 and 43,118.72

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Solution

The fourth proportional to 52,372.16, 78,558.24 and 43,118.72 is: 64,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,372.16 : 78,558.24 = 43,118.72 : x
  2. Step 2: Convert to fraction form
    52,372.16/78,558.24 = 43,118.72/x
  3. Step 3: Cross multiply
    52,372.16x = 78,558.24 × 43,118.72
  4. Step 4: Simplify right side
    52,372.16x = 3,387,330,754.25
  5. Step 5: Solve for x
    x = 3,387,330,754.25/52,372.16
  6. Step 6: Final answer
    x = 64,678.08

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.