Home / 67,180.63-92,713.20-38,509.18

Finding the Fourth Proportional to 67,180.63, 92,713.20 and 38,509.18

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Solution

The fourth proportional to 67,180.63, 92,713.20 and 38,509.18 is: 53,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180.63 : 92,713.20 = 38,509.18 : x
  2. Step 2: Convert to fraction form
    67,180.63/92,713.20 = 38,509.18/x
  3. Step 3: Cross multiply
    67,180.63x = 92,713.20 × 38,509.18
  4. Step 4: Simplify right side
    67,180.63x = 3,570,309,307.18
  5. Step 5: Solve for x
    x = 3,570,309,307.18/67,180.63
  6. Step 6: Final answer
    x = 53,144.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.