Home / 52,320.39-77,987.71-48,121.35

Finding the Fourth Proportional to 52,320.39, 77,987.71 and 48,121.35

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Solution

The fourth proportional to 52,320.39, 77,987.71 and 48,121.35 is: 71,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.39 : 77,987.71 = 48,121.35 : x
  2. Step 2: Convert to fraction form
    52,320.39/77,987.71 = 48,121.35/x
  3. Step 3: Cross multiply
    52,320.39x = 77,987.71 × 48,121.35
  4. Step 4: Simplify right side
    52,320.39x = 3,752,873,888.61
  5. Step 5: Solve for x
    x = 3,752,873,888.61/52,320.39
  6. Step 6: Final answer
    x = 71,728.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.