Home / 82,686.16-124,010.34-23,520.52

Finding the Fourth Proportional to 82,686.16, 124,010.34 and 23,520.52

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Solution

The fourth proportional to 82,686.16, 124,010.34 and 23,520.52 is: 35,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,686.16 : 124,010.34 = 23,520.52 : x
  2. Step 2: Convert to fraction form
    82,686.16/124,010.34 = 23,520.52/x
  3. Step 3: Cross multiply
    82,686.16x = 124,010.34 × 23,520.52
  4. Step 4: Simplify right side
    82,686.16x = 2,916,787,682.18
  5. Step 5: Solve for x
    x = 2,916,787,682.18/82,686.16
  6. Step 6: Final answer
    x = 35,275.40

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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.