Home / 52,450.08-72,372.64-31,228.80

Finding the Fourth Proportional to 52,450.08, 72,372.64 and 31,228.80

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Solution

The fourth proportional to 52,450.08, 72,372.64 and 31,228.80 is: 43,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.08 : 72,372.64 = 31,228.80 : x
  2. Step 2: Convert to fraction form
    52,450.08/72,372.64 = 31,228.80/x
  3. Step 3: Cross multiply
    52,450.08x = 72,372.64 × 31,228.80
  4. Step 4: Simplify right side
    52,450.08x = 2,260,110,700.03
  5. Step 5: Solve for x
    x = 2,260,110,700.03/52,450.08
  6. Step 6: Final answer
    x = 43,090.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.