Home / 48,703.17-73,182.33-42,478.74

Finding the Fourth Proportional to 48,703.17, 73,182.33 and 42,478.74

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Solution

The fourth proportional to 48,703.17, 73,182.33 and 42,478.74 is: 63,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,703.17 : 73,182.33 = 42,478.74 : x
  2. Step 2: Convert to fraction form
    48,703.17/73,182.33 = 42,478.74/x
  3. Step 3: Cross multiply
    48,703.17x = 73,182.33 × 42,478.74
  4. Step 4: Simplify right side
    48,703.17x = 3,108,693,168.66
  5. Step 5: Solve for x
    x = 3,108,693,168.66/48,703.17
  6. Step 6: Final answer
    x = 63,829.38

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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.