Home / 124,442.23-171,730.45-67,853.61

Finding the Fourth Proportional to 124,442.23, 171,730.45 and 67,853.61

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Solution

The fourth proportional to 124,442.23, 171,730.45 and 67,853.61 is: 93,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,442.23 : 171,730.45 = 67,853.61 : x
  2. Step 2: Convert to fraction form
    124,442.23/171,730.45 = 67,853.61/x
  3. Step 3: Cross multiply
    124,442.23x = 171,730.45 × 67,853.61
  4. Step 4: Simplify right side
    124,442.23x = 11,652,530,979.42
  5. Step 5: Solve for x
    x = 11,652,530,979.42/124,442.23
  6. Step 6: Final answer
    x = 93,638.08

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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.