Home / 98,643.11-136,095.36-60,362.70

Finding the Fourth Proportional to 98,643.11, 136,095.36 and 60,362.70

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Solution

The fourth proportional to 98,643.11, 136,095.36 and 60,362.70 is: 83,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,643.11 : 136,095.36 = 60,362.70 : x
  2. Step 2: Convert to fraction form
    98,643.11/136,095.36 = 60,362.70/x
  3. Step 3: Cross multiply
    98,643.11x = 136,095.36 × 60,362.70
  4. Step 4: Simplify right side
    98,643.11x = 8,215,083,387.07
  5. Step 5: Solve for x
    x = 8,215,083,387.07/98,643.11
  6. Step 6: Final answer
    x = 83,280.87

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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.