Home / 98,265.20-147,426.72-31,704.08

Finding the Fourth Proportional to 98,265.20, 147,426.72 and 31,704.08

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Solution

The fourth proportional to 98,265.20, 147,426.72 and 31,704.08 is: 47,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,265.20 : 147,426.72 = 31,704.08 : x
  2. Step 2: Convert to fraction form
    98,265.20/147,426.72 = 31,704.08/x
  3. Step 3: Cross multiply
    98,265.20x = 147,426.72 × 31,704.08
  4. Step 4: Simplify right side
    98,265.20x = 4,674,028,525.02
  5. Step 5: Solve for x
    x = 4,674,028,525.02/98,265.20
  6. Step 6: Final answer
    x = 47,565.45

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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.