Home / 56,865.12-85,316.54-17,422.62

Finding the Fourth Proportional to 56,865.12, 85,316.54 and 17,422.62

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Solution

The fourth proportional to 56,865.12, 85,316.54 and 17,422.62 is: 26,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865.12 : 85,316.54 = 17,422.62 : x
  2. Step 2: Convert to fraction form
    56,865.12/85,316.54 = 17,422.62/x
  3. Step 3: Cross multiply
    56,865.12x = 85,316.54 × 17,422.62
  4. Step 4: Simplify right side
    56,865.12x = 1,486,437,656.13
  5. Step 5: Solve for x
    x = 1,486,437,656.13/56,865.12
  6. Step 6: Final answer
    x = 26,139.71

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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.