Home / 56,866.12-85,318.04-17,423.62

Finding the Fourth Proportional to 56,866.12, 85,318.04 and 17,423.62

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Solution

The fourth proportional to 56,866.12, 85,318.04 and 17,423.62 is: 26,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,866.12 : 85,318.04 = 17,423.62 : x
  2. Step 2: Convert to fraction form
    56,866.12/85,318.04 = 17,423.62/x
  3. Step 3: Cross multiply
    56,866.12x = 85,318.04 × 17,423.62
  4. Step 4: Simplify right side
    56,866.12x = 1,486,549,108.10
  5. Step 5: Solve for x
    x = 1,486,549,108.10/56,866.12
  6. Step 6: Final answer
    x = 26,141.21

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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.