Home / 91,125.23-136,733.94-61,480.76

Finding the Fourth Proportional to 91,125.23, 136,733.94 and 61,480.76

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Solution

The fourth proportional to 91,125.23, 136,733.94 and 61,480.76 is: 92,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,125.23 : 136,733.94 = 61,480.76 : x
  2. Step 2: Convert to fraction form
    91,125.23/136,733.94 = 61,480.76/x
  3. Step 3: Cross multiply
    91,125.23x = 136,733.94 × 61,480.76
  4. Step 4: Simplify right side
    91,125.23x = 8,406,505,865.32
  5. Step 5: Solve for x
    x = 8,406,505,865.32/91,125.23
  6. Step 6: Final answer
    x = 92,252.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.