Home / 124,339.02-171,536.49-86,635.14

Finding the Fourth Proportional to 124,339.02, 171,536.49 and 86,635.14

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Solution

The fourth proportional to 124,339.02, 171,536.49 and 86,635.14 is: 119,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,339.02 : 171,536.49 = 86,635.14 : x
  2. Step 2: Convert to fraction form
    124,339.02/171,536.49 = 86,635.14/x
  3. Step 3: Cross multiply
    124,339.02x = 171,536.49 × 86,635.14
  4. Step 4: Simplify right side
    124,339.02x = 14,861,087,826.26
  5. Step 5: Solve for x
    x = 14,861,087,826.26/124,339.02
  6. Step 6: Final answer
    x = 119,520.71

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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.