Home / 98,848.32-136,359.28-60,616.80

Finding the Fourth Proportional to 98,848.32, 136,359.28 and 60,616.80

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Solution

The fourth proportional to 98,848.32, 136,359.28 and 60,616.80 is: 83,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,848.32 : 136,359.28 = 60,616.80 : x
  2. Step 2: Convert to fraction form
    98,848.32/136,359.28 = 60,616.80/x
  3. Step 3: Cross multiply
    98,848.32x = 136,359.28 × 60,616.80
  4. Step 4: Simplify right side
    98,848.32x = 8,265,663,203.90
  5. Step 5: Solve for x
    x = 8,265,663,203.90/98,848.32
  6. Step 6: Final answer
    x = 83,619.66

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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.