Home / 45,358.88-68,073.72-31,416.62

Finding the Fourth Proportional to 45,358.88, 68,073.72 and 31,416.62

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Solution

The fourth proportional to 45,358.88, 68,073.72 and 31,416.62 is: 47,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358.88 : 68,073.72 = 31,416.62 : x
  2. Step 2: Convert to fraction form
    45,358.88/68,073.72 = 31,416.62/x
  3. Step 3: Cross multiply
    45,358.88x = 68,073.72 × 31,416.62
  4. Step 4: Simplify right side
    45,358.88x = 2,138,646,193.23
  5. Step 5: Solve for x
    x = 2,138,646,193.23/45,358.88
  6. Step 6: Final answer
    x = 47,149.45

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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.