Home / 75,799.71-113,650.92-31,457.07

Finding the Fourth Proportional to 75,799.71, 113,650.92 and 31,457.07

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Solution

The fourth proportional to 75,799.71, 113,650.92 and 31,457.07 is: 47,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,799.71 : 113,650.92 = 31,457.07 : x
  2. Step 2: Convert to fraction form
    75,799.71/113,650.92 = 31,457.07/x
  3. Step 3: Cross multiply
    75,799.71x = 113,650.92 × 31,457.07
  4. Step 4: Simplify right side
    75,799.71x = 3,575,124,946.00
  5. Step 5: Solve for x
    x = 3,575,124,946.00/75,799.71
  6. Step 6: Final answer
    x = 47,165.42

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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.