Home / 85,000.74-117,301.17-47,275.06

Finding the Fourth Proportional to 85,000.74, 117,301.17 and 47,275.06

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Solution

The fourth proportional to 85,000.74, 117,301.17 and 47,275.06 is: 65,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,000.74 : 117,301.17 = 47,275.06 : x
  2. Step 2: Convert to fraction form
    85,000.74/117,301.17 = 47,275.06/x
  3. Step 3: Cross multiply
    85,000.74x = 117,301.17 × 47,275.06
  4. Step 4: Simplify right side
    85,000.74x = 5,545,419,849.82
  5. Step 5: Solve for x
    x = 5,545,419,849.82/85,000.74
  6. Step 6: Final answer
    x = 65,239.67

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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.