Home / 89,127.75-122,950.28-60,437.70

Finding the Fourth Proportional to 89,127.75, 122,950.28 and 60,437.70

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Solution

The fourth proportional to 89,127.75, 122,950.28 and 60,437.70 is: 83,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.75 : 122,950.28 = 60,437.70 : x
  2. Step 2: Convert to fraction form
    89,127.75/122,950.28 = 60,437.70/x
  3. Step 3: Cross multiply
    89,127.75x = 122,950.28 × 60,437.70
  4. Step 4: Simplify right side
    89,127.75x = 7,430,832,137.56
  5. Step 5: Solve for x
    x = 7,430,832,137.56/89,127.75
  6. Step 6: Final answer
    x = 83,372.82

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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.