Home / 98,712.89-136,214.70-60,454.97

Finding the Fourth Proportional to 98,712.89, 136,214.70 and 60,454.97

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Solution

The fourth proportional to 98,712.89, 136,214.70 and 60,454.97 is: 83,422.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,712.89 : 136,214.70 = 60,454.97 : x
  2. Step 2: Convert to fraction form
    98,712.89/136,214.70 = 60,454.97/x
  3. Step 3: Cross multiply
    98,712.89x = 136,214.70 × 60,454.97
  4. Step 4: Simplify right side
    98,712.89x = 8,234,855,205.08
  5. Step 5: Solve for x
    x = 8,234,855,205.08/98,712.89
  6. Step 6: Final answer
    x = 83,422.29

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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.