Home / 98,863.01-136,431.14-53,540.87

Finding the Fourth Proportional to 98,863.01, 136,431.14 and 53,540.87

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Solution

The fourth proportional to 98,863.01, 136,431.14 and 53,540.87 is: 73,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,863.01 : 136,431.14 = 53,540.87 : x
  2. Step 2: Convert to fraction form
    98,863.01/136,431.14 = 53,540.87/x
  3. Step 3: Cross multiply
    98,863.01x = 136,431.14 × 53,540.87
  4. Step 4: Simplify right side
    98,863.01x = 7,304,640,980.83
  5. Step 5: Solve for x
    x = 7,304,640,980.83/98,863.01
  6. Step 6: Final answer
    x = 73,886.49

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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.