Home / 67,002.90-92,464.10-38,708.58

Finding the Fourth Proportional to 67,002.90, 92,464.10 and 38,708.58

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Solution

The fourth proportional to 67,002.90, 92,464.10 and 38,708.58 is: 53,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,002.90 : 92,464.10 = 38,708.58 : x
  2. Step 2: Convert to fraction form
    67,002.90/92,464.10 = 38,708.58/x
  3. Step 3: Cross multiply
    67,002.90x = 92,464.10 × 38,708.58
  4. Step 4: Simplify right side
    67,002.90x = 3,579,154,310.33
  5. Step 5: Solve for x
    x = 3,579,154,310.33/67,002.90
  6. Step 6: Final answer
    x = 53,417.90

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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.