Home / 81,292.95-112,199.58-54,482.22

Finding the Fourth Proportional to 81,292.95, 112,199.58 and 54,482.22

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Solution

The fourth proportional to 81,292.95, 112,199.58 and 54,482.22 is: 75,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,292.95 : 112,199.58 = 54,482.22 : x
  2. Step 2: Convert to fraction form
    81,292.95/112,199.58 = 54,482.22/x
  3. Step 3: Cross multiply
    81,292.95x = 112,199.58 × 54,482.22
  4. Step 4: Simplify right side
    81,292.95x = 6,112,882,201.47
  5. Step 5: Solve for x
    x = 6,112,882,201.47/81,292.95
  6. Step 6: Final answer
    x = 75,195.72

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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.