Home / 47,312.13-70,887.85-28,552.74

Finding the Fourth Proportional to 47,312.13, 70,887.85 and 28,552.74

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Solution

The fourth proportional to 47,312.13, 70,887.85 and 28,552.74 is: 42,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,312.13 : 70,887.85 = 28,552.74 : x
  2. Step 2: Convert to fraction form
    47,312.13/70,887.85 = 28,552.74/x
  3. Step 3: Cross multiply
    47,312.13x = 70,887.85 × 28,552.74
  4. Step 4: Simplify right side
    47,312.13x = 2,024,042,350.21
  5. Step 5: Solve for x
    x = 2,024,042,350.21/47,312.13
  6. Step 6: Final answer
    x = 42,780.62

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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.