Home / 112,662-168,881.12-62,764.88

Finding the Fourth Proportional to 112,662, 168,881.12 and 62,764.88

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Solution

The fourth proportional to 112,662, 168,881.12 and 62,764.88 is: 94,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,662 : 168,881.12 = 62,764.88 : x
  2. Step 2: Convert to fraction form
    112,662/168,881.12 = 62,764.88/x
  3. Step 3: Cross multiply
    112,662x = 168,881.12 × 62,764.88
  4. Step 4: Simplify right side
    112,662x = 10,599,803,231.07
  5. Step 5: Solve for x
    x = 10,599,803,231.07/112,662
  6. Step 6: Final answer
    x = 94,084.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.