Home / 63,180.28-87,186.50-34,885.36

Finding the Fourth Proportional to 63,180.28, 87,186.50 and 34,885.36

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Solution

The fourth proportional to 63,180.28, 87,186.50 and 34,885.36 is: 48,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,180.28 : 87,186.50 = 34,885.36 : x
  2. Step 2: Convert to fraction form
    63,180.28/87,186.50 = 34,885.36/x
  3. Step 3: Cross multiply
    63,180.28x = 87,186.50 × 34,885.36
  4. Step 4: Simplify right side
    63,180.28x = 3,041,532,178.07
  5. Step 5: Solve for x
    x = 3,041,532,178.07/63,180.28
  6. Step 6: Final answer
    x = 48,140.53

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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.