Home / 88,137.06-121,536.15-62,616.80

Finding the Fourth Proportional to 88,137.06, 121,536.15 and 62,616.80

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Solution

The fourth proportional to 88,137.06, 121,536.15 and 62,616.80 is: 86,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,137.06 : 121,536.15 = 62,616.80 : x
  2. Step 2: Convert to fraction form
    88,137.06/121,536.15 = 62,616.80/x
  3. Step 3: Cross multiply
    88,137.06x = 121,536.15 × 62,616.80
  4. Step 4: Simplify right side
    88,137.06x = 7,610,204,189.64
  5. Step 5: Solve for x
    x = 7,610,204,189.64/88,137.06
  6. Step 6: Final answer
    x = 86,345.11

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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.