Home / 90,226.31-124,568.89-57,975.35

Finding the Fourth Proportional to 90,226.31, 124,568.89 and 57,975.35

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Solution

The fourth proportional to 90,226.31, 124,568.89 and 57,975.35 is: 80,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,226.31 : 124,568.89 = 57,975.35 : x
  2. Step 2: Convert to fraction form
    90,226.31/124,568.89 = 57,975.35/x
  3. Step 3: Cross multiply
    90,226.31x = 124,568.89 × 57,975.35
  4. Step 4: Simplify right side
    90,226.31x = 7,221,924,229.08
  5. Step 5: Solve for x
    x = 7,221,924,229.08/90,226.31
  6. Step 6: Final answer
    x = 80,042.34

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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.