Home / 89,600.30-123,649.28-49,314.98

Finding the Fourth Proportional to 89,600.30, 123,649.28 and 49,314.98

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Solution

The fourth proportional to 89,600.30, 123,649.28 and 49,314.98 is: 68,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,600.30 : 123,649.28 = 49,314.98 : x
  2. Step 2: Convert to fraction form
    89,600.30/123,649.28 = 49,314.98/x
  3. Step 3: Cross multiply
    89,600.30x = 123,649.28 × 49,314.98
  4. Step 4: Simplify right side
    89,600.30x = 6,097,762,017.69
  5. Step 5: Solve for x
    x = 6,097,762,017.69/89,600.30
  6. Step 6: Final answer
    x = 68,055.15

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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.