Home / 48,114.76-72,213.68-42,509.66

Finding the Fourth Proportional to 48,114.76, 72,213.68 and 42,509.66

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Solution

The fourth proportional to 48,114.76, 72,213.68 and 42,509.66 is: 63,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,114.76 : 72,213.68 = 42,509.66 : x
  2. Step 2: Convert to fraction form
    48,114.76/72,213.68 = 42,509.66/x
  3. Step 3: Cross multiply
    48,114.76x = 72,213.68 × 42,509.66
  4. Step 4: Simplify right side
    48,114.76x = 3,069,778,896.44
  5. Step 5: Solve for x
    x = 3,069,778,896.44/48,114.76
  6. Step 6: Final answer
    x = 63,801.19

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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.