Home / 113,686.80-156,875.70-62,696.15

Finding the Fourth Proportional to 113,686.80, 156,875.70 and 62,696.15

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Solution

The fourth proportional to 113,686.80, 156,875.70 and 62,696.15 is: 86,514.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,686.80 : 156,875.70 = 62,696.15 : x
  2. Step 2: Convert to fraction form
    113,686.80/156,875.70 = 62,696.15/x
  3. Step 3: Cross multiply
    113,686.80x = 156,875.70 × 62,696.15
  4. Step 4: Simplify right side
    113,686.80x = 9,835,502,418.56
  5. Step 5: Solve for x
    x = 9,835,502,418.56/113,686.80
  6. Step 6: Final answer
    x = 86,514.02

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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.