Home / 56,762.12-85,140-17,316.14

Finding the Fourth Proportional to 56,762.12, 85,140 and 17,316.14

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Solution

The fourth proportional to 56,762.12, 85,140 and 17,316.14 is: 25,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.12 : 85,140 = 17,316.14 : x
  2. Step 2: Convert to fraction form
    56,762.12/85,140 = 17,316.14/x
  3. Step 3: Cross multiply
    56,762.12x = 85,140 × 17,316.14
  4. Step 4: Simplify right side
    56,762.12x = 1,474,295,733.90
  5. Step 5: Solve for x
    x = 1,474,295,733.90/56,762.12
  6. Step 6: Final answer
    x = 25,973.23

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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.