Home / 98,966.36-136,570.14-58,656.17

Finding the Fourth Proportional to 98,966.36, 136,570.14 and 58,656.17

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Solution

The fourth proportional to 98,966.36, 136,570.14 and 58,656.17 is: 80,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,966.36 : 136,570.14 = 58,656.17 : x
  2. Step 2: Convert to fraction form
    98,966.36/136,570.14 = 58,656.17/x
  3. Step 3: Cross multiply
    98,966.36x = 136,570.14 × 58,656.17
  4. Step 4: Simplify right side
    98,966.36x = 8,010,680,665.91
  5. Step 5: Solve for x
    x = 8,010,680,665.91/98,966.36
  6. Step 6: Final answer
    x = 80,943.47

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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.