Home / 75,762.12-113,713.29-38,348.48

Finding the Fourth Proportional to 75,762.12, 113,713.29 and 38,348.48

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Solution

The fourth proportional to 75,762.12, 113,713.29 and 38,348.48 is: 57,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,762.12 : 113,713.29 = 38,348.48 : x
  2. Step 2: Convert to fraction form
    75,762.12/113,713.29 = 38,348.48/x
  3. Step 3: Cross multiply
    75,762.12x = 113,713.29 × 38,348.48
  4. Step 4: Simplify right side
    75,762.12x = 4,360,731,419.89
  5. Step 5: Solve for x
    x = 4,360,731,419.89/75,762.12
  6. Step 6: Final answer
    x = 57,558.20

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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.