Home / 112,687.06-155,511.48-62,386.06

Finding the Fourth Proportional to 112,687.06, 155,511.48 and 62,386.06

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Solution

The fourth proportional to 112,687.06, 155,511.48 and 62,386.06 is: 86,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,687.06 : 155,511.48 = 62,386.06 : x
  2. Step 2: Convert to fraction form
    112,687.06/155,511.48 = 62,386.06/x
  3. Step 3: Cross multiply
    112,687.06x = 155,511.48 × 62,386.06
  4. Step 4: Simplify right side
    112,687.06x = 9,701,748,521.97
  5. Step 5: Solve for x
    x = 9,701,748,521.97/112,687.06
  6. Step 6: Final answer
    x = 86,094.61

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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.