Home / 78,407.02-108,127.92-60,473.62

Finding the Fourth Proportional to 78,407.02, 108,127.92 and 60,473.62

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Solution

The fourth proportional to 78,407.02, 108,127.92 and 60,473.62 is: 83,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,407.02 : 108,127.92 = 60,473.62 : x
  2. Step 2: Convert to fraction form
    78,407.02/108,127.92 = 60,473.62/x
  3. Step 3: Cross multiply
    78,407.02x = 108,127.92 × 60,473.62
  4. Step 4: Simplify right side
    78,407.02x = 6,538,886,745.47
  5. Step 5: Solve for x
    x = 6,538,886,745.47/78,407.02
  6. Step 6: Final answer
    x = 83,396.70

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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.