Home / 99,582.03-137,421.46-54,260.38

Finding the Fourth Proportional to 99,582.03, 137,421.46 and 54,260.38

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Solution

The fourth proportional to 99,582.03, 137,421.46 and 54,260.38 is: 74,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,582.03 : 137,421.46 = 54,260.38 : x
  2. Step 2: Convert to fraction form
    99,582.03/137,421.46 = 54,260.38/x
  3. Step 3: Cross multiply
    99,582.03x = 137,421.46 × 54,260.38
  4. Step 4: Simplify right side
    99,582.03x = 7,456,540,639.75
  5. Step 5: Solve for x
    x = 7,456,540,639.75/99,582.03
  6. Step 6: Final answer
    x = 74,878.38

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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.