Home / 75,023.70-112,535.55-72,399.30

Finding the Fourth Proportional to 75,023.70, 112,535.55 and 72,399.30

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Solution

The fourth proportional to 75,023.70, 112,535.55 and 72,399.30 is: 108,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,023.70 : 112,535.55 = 72,399.30 : x
  2. Step 2: Convert to fraction form
    75,023.70/112,535.55 = 72,399.30/x
  3. Step 3: Cross multiply
    75,023.70x = 112,535.55 × 72,399.30
  4. Step 4: Simplify right side
    75,023.70x = 8,147,495,045.12
  5. Step 5: Solve for x
    x = 8,147,495,045.12/75,023.70
  6. Step 6: Final answer
    x = 108,598.95

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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.