Home / 78,473.15-108,330.14-50,195.24

Finding the Fourth Proportional to 78,473.15, 108,330.14 and 50,195.24

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Solution

The fourth proportional to 78,473.15, 108,330.14 and 50,195.24 is: 69,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,473.15 : 108,330.14 = 50,195.24 : x
  2. Step 2: Convert to fraction form
    78,473.15/108,330.14 = 50,195.24/x
  3. Step 3: Cross multiply
    78,473.15x = 108,330.14 × 50,195.24
  4. Step 4: Simplify right side
    78,473.15x = 5,437,657,366.61
  5. Step 5: Solve for x
    x = 5,437,657,366.61/78,473.15
  6. Step 6: Final answer
    x = 69,293.22

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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.