Home / 77,575.28-107,063.88-47,354.24

Finding the Fourth Proportional to 77,575.28, 107,063.88 and 47,354.24

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Solution

The fourth proportional to 77,575.28, 107,063.88 and 47,354.24 is: 65,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,575.28 : 107,063.88 = 47,354.24 : x
  2. Step 2: Convert to fraction form
    77,575.28/107,063.88 = 47,354.24/x
  3. Step 3: Cross multiply
    77,575.28x = 107,063.88 × 47,354.24
  4. Step 4: Simplify right side
    77,575.28x = 5,069,928,668.85
  5. Step 5: Solve for x
    x = 5,069,928,668.85/77,575.28
  6. Step 6: Final answer
    x = 65,354.95

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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.