Home / 98,767.12-136,301.88-54,055.12

Finding the Fourth Proportional to 98,767.12, 136,301.88 and 54,055.12

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Solution

The fourth proportional to 98,767.12, 136,301.88 and 54,055.12 is: 74,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,767.12 : 136,301.88 = 54,055.12 : x
  2. Step 2: Convert to fraction form
    98,767.12/136,301.88 = 54,055.12/x
  3. Step 3: Cross multiply
    98,767.12x = 136,301.88 × 54,055.12
  4. Step 4: Simplify right side
    98,767.12x = 7,367,814,479.63
  5. Step 5: Solve for x
    x = 7,367,814,479.63/98,767.12
  6. Step 6: Final answer
    x = 74,597.85

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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.