Home / 82,465.26-113,750.91-72,385.74

Finding the Fourth Proportional to 82,465.26, 113,750.91 and 72,385.74

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Solution

The fourth proportional to 82,465.26, 113,750.91 and 72,385.74 is: 99,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,465.26 : 113,750.91 = 72,385.74 : x
  2. Step 2: Convert to fraction form
    82,465.26/113,750.91 = 72,385.74/x
  3. Step 3: Cross multiply
    82,465.26x = 113,750.91 × 72,385.74
  4. Step 4: Simplify right side
    82,465.26x = 8,233,943,796.02
  5. Step 5: Solve for x
    x = 8,233,943,796.02/82,465.26
  6. Step 6: Final answer
    x = 99,847.42

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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.