Home / 79,250.75-109,362.61-47,437.19

Finding the Fourth Proportional to 79,250.75, 109,362.61 and 47,437.19

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Solution

The fourth proportional to 79,250.75, 109,362.61 and 47,437.19 is: 65,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,250.75 : 109,362.61 = 47,437.19 : x
  2. Step 2: Convert to fraction form
    79,250.75/109,362.61 = 47,437.19/x
  3. Step 3: Cross multiply
    79,250.75x = 109,362.61 × 47,437.19
  4. Step 4: Simplify right side
    79,250.75x = 5,187,855,180.39
  5. Step 5: Solve for x
    x = 5,187,855,180.39/79,250.75
  6. Step 6: Final answer
    x = 65,461.27

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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.