Home / 88,127.65-121,587.18-49,883.39

Finding the Fourth Proportional to 88,127.65, 121,587.18 and 49,883.39

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Solution

The fourth proportional to 88,127.65, 121,587.18 and 49,883.39 is: 68,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,127.65 : 121,587.18 = 49,883.39 : x
  2. Step 2: Convert to fraction form
    88,127.65/121,587.18 = 49,883.39/x
  3. Step 3: Cross multiply
    88,127.65x = 121,587.18 × 49,883.39
  4. Step 4: Simplify right side
    88,127.65x = 6,065,181,063.82
  5. Step 5: Solve for x
    x = 6,065,181,063.82/88,127.65
  6. Step 6: Final answer
    x = 68,822.68

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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.