Home / 72,349.20-99,847.18-43,675.91

Finding the Fourth Proportional to 72,349.20, 99,847.18 and 43,675.91

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Solution

The fourth proportional to 72,349.20, 99,847.18 and 43,675.91 is: 60,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,349.20 : 99,847.18 = 43,675.91 : x
  2. Step 2: Convert to fraction form
    72,349.20/99,847.18 = 43,675.91/x
  3. Step 3: Cross multiply
    72,349.20x = 99,847.18 × 43,675.91
  4. Step 4: Simplify right side
    72,349.20x = 4,360,916,377.22
  5. Step 5: Solve for x
    x = 4,360,916,377.22/72,349.20
  6. Step 6: Final answer
    x = 60,275.94

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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.