Home / 98,877.39-136,451.03-53,555.19

Finding the Fourth Proportional to 98,877.39, 136,451.03 and 53,555.19

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Solution

The fourth proportional to 98,877.39, 136,451.03 and 53,555.19 is: 73,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,877.39 : 136,451.03 = 53,555.19 : x
  2. Step 2: Convert to fraction form
    98,877.39/136,451.03 = 53,555.19/x
  3. Step 3: Cross multiply
    98,877.39x = 136,451.03 × 53,555.19
  4. Step 4: Simplify right side
    98,877.39x = 7,307,660,569.57
  5. Step 5: Solve for x
    x = 7,307,660,569.57/98,877.39
  6. Step 6: Final answer
    x = 73,906.29

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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.