Home / 98,002.20-135,116.04-63,485.52

Finding the Fourth Proportional to 98,002.20, 135,116.04 and 63,485.52

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Solution

The fourth proportional to 98,002.20, 135,116.04 and 63,485.52 is: 87,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,002.20 : 135,116.04 = 63,485.52 : x
  2. Step 2: Convert to fraction form
    98,002.20/135,116.04 = 63,485.52/x
  3. Step 3: Cross multiply
    98,002.20x = 135,116.04 × 63,485.52
  4. Step 4: Simplify right side
    98,002.20x = 8,577,912,059.74
  5. Step 5: Solve for x
    x = 8,577,912,059.74/98,002.20
  6. Step 6: Final answer
    x = 87,527.75

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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.