Home / 113,087.12-156,054.13-62,782.88

Finding the Fourth Proportional to 113,087.12, 156,054.13 and 62,782.88

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Solution

The fourth proportional to 113,087.12, 156,054.13 and 62,782.88 is: 86,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,087.12 : 156,054.13 = 62,782.88 : x
  2. Step 2: Convert to fraction form
    113,087.12/156,054.13 = 62,782.88/x
  3. Step 3: Cross multiply
    113,087.12x = 156,054.13 × 62,782.88
  4. Step 4: Simplify right side
    113,087.12x = 9,797,527,717.29
  5. Step 5: Solve for x
    x = 9,797,527,717.29/113,087.12
  6. Step 6: Final answer
    x = 86,636.99

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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.