Home / 67,815.38-93,570.09-40,587.23

Finding the Fourth Proportional to 67,815.38, 93,570.09 and 40,587.23

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Solution

The fourth proportional to 67,815.38, 93,570.09 and 40,587.23 is: 56,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,815.38 : 93,570.09 = 40,587.23 : x
  2. Step 2: Convert to fraction form
    67,815.38/93,570.09 = 40,587.23/x
  3. Step 3: Cross multiply
    67,815.38x = 93,570.09 × 40,587.23
  4. Step 4: Simplify right side
    67,815.38x = 3,797,750,397.57
  5. Step 5: Solve for x
    x = 3,797,750,397.57/67,815.38
  6. Step 6: Final answer
    x = 56,001.32

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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.