Home / 94,747.50-142,210.62-69,711.30

Finding the Fourth Proportional to 94,747.50, 142,210.62 and 69,711.30

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Solution

The fourth proportional to 94,747.50, 142,210.62 and 69,711.30 is: 104,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,747.50 : 142,210.62 = 69,711.30 : x
  2. Step 2: Convert to fraction form
    94,747.50/142,210.62 = 69,711.30/x
  3. Step 3: Cross multiply
    94,747.50x = 142,210.62 × 69,711.30
  4. Step 4: Simplify right side
    94,747.50x = 9,913,687,194.01
  5. Step 5: Solve for x
    x = 9,913,687,194.01/94,747.50
  6. Step 6: Final answer
    x = 104,632.70

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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.