Home / 41,142.12-61,713.16-9,977.37

Finding the Fourth Proportional to 41,142.12, 61,713.16 and 9,977.37

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Solution

The fourth proportional to 41,142.12, 61,713.16 and 9,977.37 is: 14,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,142.12 : 61,713.16 = 9,977.37 : x
  2. Step 2: Convert to fraction form
    41,142.12/61,713.16 = 9,977.37/x
  3. Step 3: Cross multiply
    41,142.12x = 61,713.16 × 9,977.37
  4. Step 4: Simplify right side
    41,142.12x = 615,735,031.19
  5. Step 5: Solve for x
    x = 615,735,031.19/41,142.12
  6. Step 6: Final answer
    x = 14,966.05

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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.