Home / 98,654.51-136,143.50-62,836.85

Finding the Fourth Proportional to 98,654.51, 136,143.50 and 62,836.85

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Solution

The fourth proportional to 98,654.51, 136,143.50 and 62,836.85 is: 86,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,654.51 : 136,143.50 = 62,836.85 : x
  2. Step 2: Convert to fraction form
    98,654.51/136,143.50 = 62,836.85/x
  3. Step 3: Cross multiply
    98,654.51x = 136,143.50 × 62,836.85
  4. Step 4: Simplify right side
    98,654.51x = 8,554,827,693.07
  5. Step 5: Solve for x
    x = 8,554,827,693.07/98,654.51
  6. Step 6: Final answer
    x = 86,715.02

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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.