Home / 124,446.24-171,735.12-67,856.40

Finding the Fourth Proportional to 124,446.24, 171,735.12 and 67,856.40

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Solution

The fourth proportional to 124,446.24, 171,735.12 and 67,856.40 is: 93,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,446.24 : 171,735.12 = 67,856.40 : x
  2. Step 2: Convert to fraction form
    124,446.24/171,735.12 = 67,856.40/x
  3. Step 3: Cross multiply
    124,446.24x = 171,735.12 × 67,856.40
  4. Step 4: Simplify right side
    124,446.24x = 11,653,326,996.77
  5. Step 5: Solve for x
    x = 11,653,326,996.77/124,446.24
  6. Step 6: Final answer
    x = 93,641.46

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1.5x scale

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.