Home / 107,225.28-147,965.88-59,478.12

Finding the Fourth Proportional to 107,225.28, 147,965.88 and 59,478.12

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Solution

The fourth proportional to 107,225.28, 147,965.88 and 59,478.12 is: 82,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,225.28 : 147,965.88 = 59,478.12 : x
  2. Step 2: Convert to fraction form
    107,225.28/147,965.88 = 59,478.12/x
  3. Step 3: Cross multiply
    107,225.28x = 147,965.88 × 59,478.12
  4. Step 4: Simplify right side
    107,225.28x = 8,800,732,366.55
  5. Step 5: Solve for x
    x = 8,800,732,366.55/107,225.28
  6. Step 6: Final answer
    x = 82,077.03

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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.