Home / 98,863.07-136,430.35-53,540.01

Finding the Fourth Proportional to 98,863.07, 136,430.35 and 53,540.01

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Solution

The fourth proportional to 98,863.07, 136,430.35 and 53,540.01 is: 73,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,863.07 : 136,430.35 = 53,540.01 : x
  2. Step 2: Convert to fraction form
    98,863.07/136,430.35 = 53,540.01/x
  3. Step 3: Cross multiply
    98,863.07x = 136,430.35 × 53,540.01
  4. Step 4: Simplify right side
    98,863.07x = 7,304,482,169.45
  5. Step 5: Solve for x
    x = 7,304,482,169.45/98,863.07
  6. Step 6: Final answer
    x = 73,884.84

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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.