Home / 98,381.12-147,370.50-48,304.31

Finding the Fourth Proportional to 98,381.12, 147,370.50 and 48,304.31

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Solution

The fourth proportional to 98,381.12, 147,370.50 and 48,304.31 is: 72,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,381.12 : 147,370.50 = 48,304.31 : x
  2. Step 2: Convert to fraction form
    98,381.12/147,370.50 = 48,304.31/x
  3. Step 3: Cross multiply
    98,381.12x = 147,370.50 × 48,304.31
  4. Step 4: Simplify right side
    98,381.12x = 7,118,629,580.00
  5. Step 5: Solve for x
    x = 7,118,629,580.00/98,381.12
  6. Step 6: Final answer
    x = 72,357.68

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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.