Home / 98,116.18-135,396.57-55,672.18

Finding the Fourth Proportional to 98,116.18, 135,396.57 and 55,672.18

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Solution

The fourth proportional to 98,116.18, 135,396.57 and 55,672.18 is: 76,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,116.18 : 135,396.57 = 55,672.18 : x
  2. Step 2: Convert to fraction form
    98,116.18/135,396.57 = 55,672.18/x
  3. Step 3: Cross multiply
    98,116.18x = 135,396.57 × 55,672.18
  4. Step 4: Simplify right side
    98,116.18x = 7,537,822,216.42
  5. Step 5: Solve for x
    x = 7,537,822,216.42/98,116.18
  6. Step 6: Final answer
    x = 76,825.48

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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.