Home / 79,062.07-109,104.76-43,251.67

Finding the Fourth Proportional to 79,062.07, 109,104.76 and 43,251.67

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Solution

The fourth proportional to 79,062.07, 109,104.76 and 43,251.67 is: 59,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,062.07 : 109,104.76 = 43,251.67 : x
  2. Step 2: Convert to fraction form
    79,062.07/109,104.76 = 43,251.67/x
  3. Step 3: Cross multiply
    79,062.07x = 109,104.76 × 43,251.67
  4. Step 4: Simplify right side
    79,062.07x = 4,718,962,313.17
  5. Step 5: Solve for x
    x = 4,718,962,313.17/79,062.07
  6. Step 6: Final answer
    x = 59,686.80

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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.