Home / 53,774.08-80,550.15-31,519.88

Finding the Fourth Proportional to 53,774.08, 80,550.15 and 31,519.88

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Solution

The fourth proportional to 53,774.08, 80,550.15 and 31,519.88 is: 47,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,774.08 : 80,550.15 = 31,519.88 : x
  2. Step 2: Convert to fraction form
    53,774.08/80,550.15 = 31,519.88/x
  3. Step 3: Cross multiply
    53,774.08x = 80,550.15 × 31,519.88
  4. Step 4: Simplify right side
    53,774.08x = 2,538,931,061.98
  5. Step 5: Solve for x
    x = 2,538,931,061.98/53,774.08
  6. Step 6: Final answer
    x = 47,214.77

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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.