Home / 52,376.16-78,564.24-43,122.72

Finding the Fourth Proportional to 52,376.16, 78,564.24 and 43,122.72

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Solution

The fourth proportional to 52,376.16, 78,564.24 and 43,122.72 is: 64,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,376.16 : 78,564.24 = 43,122.72 : x
  2. Step 2: Convert to fraction form
    52,376.16/78,564.24 = 43,122.72/x
  3. Step 3: Cross multiply
    52,376.16x = 78,564.24 × 43,122.72
  4. Step 4: Simplify right side
    52,376.16x = 3,387,903,723.53
  5. Step 5: Solve for x
    x = 3,387,903,723.53/52,376.16
  6. Step 6: Final answer
    x = 64,684.08

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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.