Home / 86,910.17-119,948.18-62,789.19

Finding the Fourth Proportional to 86,910.17, 119,948.18 and 62,789.19

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Solution

The fourth proportional to 86,910.17, 119,948.18 and 62,789.19 is: 86,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,910.17 : 119,948.18 = 62,789.19 : x
  2. Step 2: Convert to fraction form
    86,910.17/119,948.18 = 62,789.19/x
  3. Step 3: Cross multiply
    86,910.17x = 119,948.18 × 62,789.19
  4. Step 4: Simplify right side
    86,910.17x = 7,531,448,733.99
  5. Step 5: Solve for x
    x = 7,531,448,733.99/86,910.17
  6. Step 6: Final answer
    x = 86,657.86

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1.5x scale

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.