Home / 89,985.29-124,176.33-49,698.18

Finding the Fourth Proportional to 89,985.29, 124,176.33 and 49,698.18

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Solution

The fourth proportional to 89,985.29, 124,176.33 and 49,698.18 is: 68,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,985.29 : 124,176.33 = 49,698.18 : x
  2. Step 2: Convert to fraction form
    89,985.29/124,176.33 = 49,698.18/x
  3. Step 3: Cross multiply
    89,985.29x = 124,176.33 × 49,698.18
  4. Step 4: Simplify right side
    89,985.29x = 6,171,337,600.08
  5. Step 5: Solve for x
    x = 6,171,337,600.08/89,985.29
  6. Step 6: Final answer
    x = 68,581.63

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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.