Home / 71,024.36-98,025.54-42,732.68

Finding the Fourth Proportional to 71,024.36, 98,025.54 and 42,732.68

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Solution

The fourth proportional to 71,024.36, 98,025.54 and 42,732.68 is: 58,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,024.36 : 98,025.54 = 42,732.68 : x
  2. Step 2: Convert to fraction form
    71,024.36/98,025.54 = 42,732.68/x
  3. Step 3: Cross multiply
    71,024.36x = 98,025.54 × 42,732.68
  4. Step 4: Simplify right side
    71,024.36x = 4,188,894,032.65
  5. Step 5: Solve for x
    x = 4,188,894,032.65/71,024.36
  6. Step 6: Final answer
    x = 58,978.27

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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.