Home / 67,645.90-101,437.58-38,063.74

Finding the Fourth Proportional to 67,645.90, 101,437.58 and 38,063.74

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Solution

The fourth proportional to 67,645.90, 101,437.58 and 38,063.74 is: 57,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,645.90 : 101,437.58 = 38,063.74 : x
  2. Step 2: Convert to fraction form
    67,645.90/101,437.58 = 38,063.74/x
  3. Step 3: Cross multiply
    67,645.90x = 101,437.58 × 38,063.74
  4. Step 4: Simplify right side
    67,645.90x = 3,861,093,671.35
  5. Step 5: Solve for x
    x = 3,861,093,671.35/67,645.90
  6. Step 6: Final answer
    x = 57,078.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.