Home / 89,890.60-124,073.70-52,177

Finding the Fourth Proportional to 89,890.60, 124,073.70 and 52,177

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Solution

The fourth proportional to 89,890.60, 124,073.70 and 52,177 is: 72,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,890.60 : 124,073.70 = 52,177 : x
  2. Step 2: Convert to fraction form
    89,890.60/124,073.70 = 52,177/x
  3. Step 3: Cross multiply
    89,890.60x = 124,073.70 × 52,177
  4. Step 4: Simplify right side
    89,890.60x = 6,473,793,444.90
  5. Step 5: Solve for x
    x = 6,473,793,444.90/89,890.60
  6. Step 6: Final answer
    x = 72,018.58

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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.