Home / 89,126.75-122,948.90-60,436.70

Finding the Fourth Proportional to 89,126.75, 122,948.90 and 60,436.70

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Solution

The fourth proportional to 89,126.75, 122,948.90 and 60,436.70 is: 83,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.75 : 122,948.90 = 60,436.70 : x
  2. Step 2: Convert to fraction form
    89,126.75/122,948.90 = 60,436.70/x
  3. Step 3: Cross multiply
    89,126.75x = 122,948.90 × 60,436.70
  4. Step 4: Simplify right side
    89,126.75x = 7,430,626,016.46
  5. Step 5: Solve for x
    x = 7,430,626,016.46/89,126.75
  6. Step 6: Final answer
    x = 83,371.45

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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.