Home / 89,943.30-124,118.51-49,656.21

Finding the Fourth Proportional to 89,943.30, 124,118.51 and 49,656.21

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Solution

The fourth proportional to 89,943.30, 124,118.51 and 49,656.21 is: 68,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943.30 : 124,118.51 = 49,656.21 : x
  2. Step 2: Convert to fraction form
    89,943.30/124,118.51 = 49,656.21/x
  3. Step 3: Cross multiply
    89,943.30x = 124,118.51 × 49,656.21
  4. Step 4: Simplify right side
    89,943.30x = 6,163,254,549.17
  5. Step 5: Solve for x
    x = 6,163,254,549.17/89,943.30
  6. Step 6: Final answer
    x = 68,523.78

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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.