Home / 79,147.95-109,224.18-43,340.16

Finding the Fourth Proportional to 79,147.95, 109,224.18 and 43,340.16

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Solution

The fourth proportional to 79,147.95, 109,224.18 and 43,340.16 is: 59,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,147.95 : 109,224.18 = 43,340.16 : x
  2. Step 2: Convert to fraction form
    79,147.95/109,224.18 = 43,340.16/x
  3. Step 3: Cross multiply
    79,147.95x = 109,224.18 × 43,340.16
  4. Step 4: Simplify right side
    79,147.95x = 4,733,793,437.07
  5. Step 5: Solve for x
    x = 4,733,793,437.07/79,147.95
  6. Step 6: Final answer
    x = 59,809.43

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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.