Home / 89,651.17-123,667-56,058.85

Finding the Fourth Proportional to 89,651.17, 123,667 and 56,058.85

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Solution

The fourth proportional to 89,651.17, 123,667 and 56,058.85 is: 77,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,651.17 : 123,667 = 56,058.85 : x
  2. Step 2: Convert to fraction form
    89,651.17/123,667 = 56,058.85/x
  3. Step 3: Cross multiply
    89,651.17x = 123,667 × 56,058.85
  4. Step 4: Simplify right side
    89,651.17x = 6,932,629,802.95
  5. Step 5: Solve for x
    x = 6,932,629,802.95/89,651.17
  6. Step 6: Final answer
    x = 77,328.94

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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.