Home / 56,988.18-85,491.99-25,409.70

Finding the Fourth Proportional to 56,988.18, 85,491.99 and 25,409.70

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Solution

The fourth proportional to 56,988.18, 85,491.99 and 25,409.70 is: 38,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,988.18 : 85,491.99 = 25,409.70 : x
  2. Step 2: Convert to fraction form
    56,988.18/85,491.99 = 25,409.70/x
  3. Step 3: Cross multiply
    56,988.18x = 85,491.99 × 25,409.70
  4. Step 4: Simplify right side
    56,988.18x = 2,172,325,818.30
  5. Step 5: Solve for x
    x = 2,172,325,818.30/56,988.18
  6. Step 6: Final answer
    x = 38,118.88

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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.