Home / 56,968.74-85,449.87-15,412.50

Finding the Fourth Proportional to 56,968.74, 85,449.87 and 15,412.50

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Solution

The fourth proportional to 56,968.74, 85,449.87 and 15,412.50 is: 23,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,968.74 : 85,449.87 = 15,412.50 : x
  2. Step 2: Convert to fraction form
    56,968.74/85,449.87 = 15,412.50/x
  3. Step 3: Cross multiply
    56,968.74x = 85,449.87 × 15,412.50
  4. Step 4: Simplify right side
    56,968.74x = 1,316,996,121.38
  5. Step 5: Solve for x
    x = 1,316,996,121.38/56,968.74
  6. Step 6: Final answer
    x = 23,117.87

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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.