Home / 77,425.95-106,862.39-50,521.75

Finding the Fourth Proportional to 77,425.95, 106,862.39 and 50,521.75

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Solution

The fourth proportional to 77,425.95, 106,862.39 and 50,521.75 is: 69,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,425.95 : 106,862.39 = 50,521.75 : x
  2. Step 2: Convert to fraction form
    77,425.95/106,862.39 = 50,521.75/x
  3. Step 3: Cross multiply
    77,425.95x = 106,862.39 × 50,521.75
  4. Step 4: Simplify right side
    77,425.95x = 5,398,874,417.67
  5. Step 5: Solve for x
    x = 5,398,874,417.67/77,425.95
  6. Step 6: Final answer
    x = 69,729.53

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1.5x scale

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.