Home / 85,753.43-118,280.67-60,313.76

Finding the Fourth Proportional to 85,753.43, 118,280.67 and 60,313.76

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Solution

The fourth proportional to 85,753.43, 118,280.67 and 60,313.76 is: 83,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,753.43 : 118,280.67 = 60,313.76 : x
  2. Step 2: Convert to fraction form
    85,753.43/118,280.67 = 60,313.76/x
  3. Step 3: Cross multiply
    85,753.43x = 118,280.67 × 60,313.76
  4. Step 4: Simplify right side
    85,753.43x = 7,133,951,351.62
  5. Step 5: Solve for x
    x = 7,133,951,351.62/85,753.43
  6. Step 6: Final answer
    x = 83,191.45

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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.