Home / 98,581.50-136,045.20-60,340.29

Finding the Fourth Proportional to 98,581.50, 136,045.20 and 60,340.29

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Solution

The fourth proportional to 98,581.50, 136,045.20 and 60,340.29 is: 83,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,581.50 : 136,045.20 = 60,340.29 : x
  2. Step 2: Convert to fraction form
    98,581.50/136,045.20 = 60,340.29/x
  3. Step 3: Cross multiply
    98,581.50x = 136,045.20 × 60,340.29
  4. Step 4: Simplify right side
    98,581.50x = 8,209,005,839.18
  5. Step 5: Solve for x
    x = 8,209,005,839.18/98,581.50
  6. Step 6: Final answer
    x = 83,271.26

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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.