Home / 52,306.47-78,456.84-30,679.95

Finding the Fourth Proportional to 52,306.47, 78,456.84 and 30,679.95

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Solution

The fourth proportional to 52,306.47, 78,456.84 and 30,679.95 is: 46,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,306.47 : 78,456.84 = 30,679.95 : x
  2. Step 2: Convert to fraction form
    52,306.47/78,456.84 = 30,679.95/x
  3. Step 3: Cross multiply
    52,306.47x = 78,456.84 × 30,679.95
  4. Step 4: Simplify right side
    52,306.47x = 2,407,051,928.36
  5. Step 5: Solve for x
    x = 2,407,051,928.36/52,306.47
  6. Step 6: Final answer
    x = 46,018.24

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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.