Home / 41,142.50-61,713.95-9,977.75

Finding the Fourth Proportional to 41,142.50, 61,713.95 and 9,977.75

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Solution

The fourth proportional to 41,142.50, 61,713.95 and 9,977.75 is: 14,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,142.50 : 61,713.95 = 9,977.75 : x
  2. Step 2: Convert to fraction form
    41,142.50/61,713.95 = 9,977.75/x
  3. Step 3: Cross multiply
    41,142.50x = 61,713.95 × 9,977.75
  4. Step 4: Simplify right side
    41,142.50x = 615,766,364.61
  5. Step 5: Solve for x
    x = 615,766,364.61/41,142.50
  6. Step 6: Final answer
    x = 14,966.67

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1.5x scale

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.