Home / 98,613.19-136,077.96-55,003.04

Finding the Fourth Proportional to 98,613.19, 136,077.96 and 55,003.04

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Solution

The fourth proportional to 98,613.19, 136,077.96 and 55,003.04 is: 75,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,613.19 : 136,077.96 = 55,003.04 : x
  2. Step 2: Convert to fraction form
    98,613.19/136,077.96 = 55,003.04/x
  3. Step 3: Cross multiply
    98,613.19x = 136,077.96 × 55,003.04
  4. Step 4: Simplify right side
    98,613.19x = 7,484,701,817.19
  5. Step 5: Solve for x
    x = 7,484,701,817.19/98,613.19
  6. Step 6: Final answer
    x = 75,899.60

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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.