Home / 75,064.23-103,543.52-49,570.83

Finding the Fourth Proportional to 75,064.23, 103,543.52 and 49,570.83

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Solution

The fourth proportional to 75,064.23, 103,543.52 and 49,570.83 is: 68,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,064.23 : 103,543.52 = 49,570.83 : x
  2. Step 2: Convert to fraction form
    75,064.23/103,543.52 = 49,570.83/x
  3. Step 3: Cross multiply
    75,064.23x = 103,543.52 × 49,570.83
  4. Step 4: Simplify right side
    75,064.23x = 5,132,737,979.67
  5. Step 5: Solve for x
    x = 5,132,737,979.67/75,064.23
  6. Step 6: Final answer
    x = 68,377.95

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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.