Home / 80,436.33-111,005.10-48,599.08

Finding the Fourth Proportional to 80,436.33, 111,005.10 and 48,599.08

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Solution

The fourth proportional to 80,436.33, 111,005.10 and 48,599.08 is: 67,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,436.33 : 111,005.10 = 48,599.08 : x
  2. Step 2: Convert to fraction form
    80,436.33/111,005.10 = 48,599.08/x
  3. Step 3: Cross multiply
    80,436.33x = 111,005.10 × 48,599.08
  4. Step 4: Simplify right side
    80,436.33x = 5,394,744,937.29
  5. Step 5: Solve for x
    x = 5,394,744,937.29/80,436.33
  6. Step 6: Final answer
    x = 67,068.52

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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.