Home / 92,711.02-127,943.72-52,430.78

Finding the Fourth Proportional to 92,711.02, 127,943.72 and 52,430.78

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Solution

The fourth proportional to 92,711.02, 127,943.72 and 52,430.78 is: 72,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,711.02 : 127,943.72 = 52,430.78 : x
  2. Step 2: Convert to fraction form
    92,711.02/127,943.72 = 52,430.78/x
  3. Step 3: Cross multiply
    92,711.02x = 127,943.72 × 52,430.78
  4. Step 4: Simplify right side
    92,711.02x = 6,708,189,035.70
  5. Step 5: Solve for x
    x = 6,708,189,035.70/92,711.02
  6. Step 6: Final answer
    x = 72,355.90

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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.