Home / 50,823.12-70,170.90-38,865.62

Finding the Fourth Proportional to 50,823.12, 70,170.90 and 38,865.62

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Solution

The fourth proportional to 50,823.12, 70,170.90 and 38,865.62 is: 53,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,823.12 : 70,170.90 = 38,865.62 : x
  2. Step 2: Convert to fraction form
    50,823.12/70,170.90 = 38,865.62/x
  3. Step 3: Cross multiply
    50,823.12x = 70,170.90 × 38,865.62
  4. Step 4: Simplify right side
    50,823.12x = 2,727,235,534.46
  5. Step 5: Solve for x
    x = 2,727,235,534.46/50,823.12
  6. Step 6: Final answer
    x = 53,661.32

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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.