Home / 56,756.98-85,148.03-17,317.18

Finding the Fourth Proportional to 56,756.98, 85,148.03 and 17,317.18

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Solution

The fourth proportional to 56,756.98, 85,148.03 and 17,317.18 is: 25,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756.98 : 85,148.03 = 17,317.18 : x
  2. Step 2: Convert to fraction form
    56,756.98/85,148.03 = 17,317.18/x
  3. Step 3: Cross multiply
    56,756.98x = 85,148.03 × 17,317.18
  4. Step 4: Simplify right side
    56,756.98x = 1,474,523,762.16
  5. Step 5: Solve for x
    x = 1,474,523,762.16/56,756.98
  6. Step 6: Final answer
    x = 25,979.60

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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.