Home / 89,554.74-123,603.20-51,339.95

Finding the Fourth Proportional to 89,554.74, 123,603.20 and 51,339.95

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Solution

The fourth proportional to 89,554.74, 123,603.20 and 51,339.95 is: 70,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,554.74 : 123,603.20 = 51,339.95 : x
  2. Step 2: Convert to fraction form
    89,554.74/123,603.20 = 51,339.95/x
  3. Step 3: Cross multiply
    89,554.74x = 123,603.20 × 51,339.95
  4. Step 4: Simplify right side
    89,554.74x = 6,345,781,489.82
  5. Step 5: Solve for x
    x = 6,345,781,489.82/89,554.74
  6. Step 6: Final answer
    x = 70,859.25

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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.