Home / 75,768.32-113,627.85-35,781.11

Finding the Fourth Proportional to 75,768.32, 113,627.85 and 35,781.11

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Solution

The fourth proportional to 75,768.32, 113,627.85 and 35,781.11 is: 53,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.32 : 113,627.85 = 35,781.11 : x
  2. Step 2: Convert to fraction form
    75,768.32/113,627.85 = 35,781.11/x
  3. Step 3: Cross multiply
    75,768.32x = 113,627.85 × 35,781.11
  4. Step 4: Simplify right side
    75,768.32x = 4,065,730,031.77
  5. Step 5: Solve for x
    x = 4,065,730,031.77/75,768.32
  6. Step 6: Final answer
    x = 53,660.03

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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.