Home / 98,541.20-147,811.80-36,203.60

Finding the Fourth Proportional to 98,541.20, 147,811.80 and 36,203.60

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Solution

The fourth proportional to 98,541.20, 147,811.80 and 36,203.60 is: 54,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,541.20 : 147,811.80 = 36,203.60 : x
  2. Step 2: Convert to fraction form
    98,541.20/147,811.80 = 36,203.60/x
  3. Step 3: Cross multiply
    98,541.20x = 147,811.80 × 36,203.60
  4. Step 4: Simplify right side
    98,541.20x = 5,351,319,282.48
  5. Step 5: Solve for x
    x = 5,351,319,282.48/98,541.20
  6. Step 6: Final answer
    x = 54,305.40

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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.