Home / 90,871.49-136,296.41-24,316.76

Finding the Fourth Proportional to 90,871.49, 136,296.41 and 24,316.76

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Solution

The fourth proportional to 90,871.49, 136,296.41 and 24,316.76 is: 36,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,871.49 : 136,296.41 = 24,316.76 : x
  2. Step 2: Convert to fraction form
    90,871.49/136,296.41 = 24,316.76/x
  3. Step 3: Cross multiply
    90,871.49x = 136,296.41 × 24,316.76
  4. Step 4: Simplify right side
    90,871.49x = 3,314,286,287.77
  5. Step 5: Solve for x
    x = 3,314,286,287.77/90,871.49
  6. Step 6: Final answer
    x = 36,472.24

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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.