Home / 78,312.02-117,468.02-47,344.10

Finding the Fourth Proportional to 78,312.02, 117,468.02 and 47,344.10

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Solution

The fourth proportional to 78,312.02, 117,468.02 and 47,344.10 is: 71,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,312.02 : 117,468.02 = 47,344.10 : x
  2. Step 2: Convert to fraction form
    78,312.02/117,468.02 = 47,344.10/x
  3. Step 3: Cross multiply
    78,312.02x = 117,468.02 × 47,344.10
  4. Step 4: Simplify right side
    78,312.02x = 5,561,417,216.70
  5. Step 5: Solve for x
    x = 5,561,417,216.70/78,312.02
  6. Step 6: Final answer
    x = 71,016.14

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1.5x scale

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.