Home / 78,314.24-108,073.75-42,504.25

Finding the Fourth Proportional to 78,314.24, 108,073.75 and 42,504.25

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Solution

The fourth proportional to 78,314.24, 108,073.75 and 42,504.25 is: 58,655.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,314.24 : 108,073.75 = 42,504.25 : x
  2. Step 2: Convert to fraction form
    78,314.24/108,073.75 = 42,504.25/x
  3. Step 3: Cross multiply
    78,314.24x = 108,073.75 × 42,504.25
  4. Step 4: Simplify right side
    78,314.24x = 4,593,593,148.07
  5. Step 5: Solve for x
    x = 4,593,593,148.07/78,314.24
  6. Step 6: Final answer
    x = 58,655.92

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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.