Home / 64,012.01-88,352.39-38,882.57

Finding the Fourth Proportional to 64,012.01, 88,352.39 and 38,882.57

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Solution

The fourth proportional to 64,012.01, 88,352.39 and 38,882.57 is: 53,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,012.01 : 88,352.39 = 38,882.57 : x
  2. Step 2: Convert to fraction form
    64,012.01/88,352.39 = 38,882.57/x
  3. Step 3: Cross multiply
    64,012.01x = 88,352.39 × 38,882.57
  4. Step 4: Simplify right side
    64,012.01x = 3,435,367,988.84
  5. Step 5: Solve for x
    x = 3,435,367,988.84/64,012.01
  6. Step 6: Final answer
    x = 53,667.55

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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.