Home / 71,828.48-107,594.40-42,157.04

Finding the Fourth Proportional to 71,828.48, 107,594.40 and 42,157.04

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Solution

The fourth proportional to 71,828.48, 107,594.40 and 42,157.04 is: 63,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,828.48 : 107,594.40 = 42,157.04 : x
  2. Step 2: Convert to fraction form
    71,828.48/107,594.40 = 42,157.04/x
  3. Step 3: Cross multiply
    71,828.48x = 107,594.40 × 42,157.04
  4. Step 4: Simplify right side
    71,828.48x = 4,535,861,424.58
  5. Step 5: Solve for x
    x = 4,535,861,424.58/71,828.48
  6. Step 6: Final answer
    x = 63,148.51

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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.