Home / 98,693.84-147,987.46-51,191.18

Finding the Fourth Proportional to 98,693.84, 147,987.46 and 51,191.18

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Solution

The fourth proportional to 98,693.84, 147,987.46 and 51,191.18 is: 76,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,693.84 : 147,987.46 = 51,191.18 : x
  2. Step 2: Convert to fraction form
    98,693.84/147,987.46 = 51,191.18/x
  3. Step 3: Cross multiply
    98,693.84x = 147,987.46 × 51,191.18
  4. Step 4: Simplify right side
    98,693.84x = 7,575,652,085.55
  5. Step 5: Solve for x
    x = 7,575,652,085.55/98,693.84
  6. Step 6: Final answer
    x = 76,759.12

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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.