Home / 98,926.09-136,524.71-55,890.66

Finding the Fourth Proportional to 98,926.09, 136,524.71 and 55,890.66

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Solution

The fourth proportional to 98,926.09, 136,524.71 and 55,890.66 is: 77,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,926.09 : 136,524.71 = 55,890.66 : x
  2. Step 2: Convert to fraction form
    98,926.09/136,524.71 = 55,890.66/x
  3. Step 3: Cross multiply
    98,926.09x = 136,524.71 × 55,890.66
  4. Step 4: Simplify right side
    98,926.09x = 7,630,456,148.21
  5. Step 5: Solve for x
    x = 7,630,456,148.21/98,926.09
  6. Step 6: Final answer
    x = 77,132.90

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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.