Home / 77,372.16-106,806.24-52,255.68

Finding the Fourth Proportional to 77,372.16, 106,806.24 and 52,255.68

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Solution

The fourth proportional to 77,372.16, 106,806.24 and 52,255.68 is: 72,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,372.16 : 106,806.24 = 52,255.68 : x
  2. Step 2: Convert to fraction form
    77,372.16/106,806.24 = 52,255.68/x
  3. Step 3: Cross multiply
    77,372.16x = 106,806.24 × 52,255.68
  4. Step 4: Simplify right side
    77,372.16x = 5,581,232,699.44
  5. Step 5: Solve for x
    x = 5,581,232,699.44/77,372.16
  6. Step 6: Final answer
    x = 72,134.90

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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.