Home / 98,934.60-136,536.45-55,899.18

Finding the Fourth Proportional to 98,934.60, 136,536.45 and 55,899.18

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Solution

The fourth proportional to 98,934.60, 136,536.45 and 55,899.18 is: 77,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,934.60 : 136,536.45 = 55,899.18 : x
  2. Step 2: Convert to fraction form
    98,934.60/136,536.45 = 55,899.18/x
  3. Step 3: Cross multiply
    98,934.60x = 136,536.45 × 55,899.18
  4. Step 4: Simplify right side
    98,934.60x = 7,632,275,595.11
  5. Step 5: Solve for x
    x = 7,632,275,595.11/98,934.60
  6. Step 6: Final answer
    x = 77,144.66

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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.