Home / 85,250.07-117,645.21-47,008.76

Finding the Fourth Proportional to 85,250.07, 117,645.21 and 47,008.76

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Solution

The fourth proportional to 85,250.07, 117,645.21 and 47,008.76 is: 64,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,250.07 : 117,645.21 = 47,008.76 : x
  2. Step 2: Convert to fraction form
    85,250.07/117,645.21 = 47,008.76/x
  3. Step 3: Cross multiply
    85,250.07x = 117,645.21 × 47,008.76
  4. Step 4: Simplify right side
    85,250.07x = 5,530,354,853.81
  5. Step 5: Solve for x
    x = 5,530,354,853.81/85,250.07
  6. Step 6: Final answer
    x = 64,872.14

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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.