Home / 79,232.16-109,339.74-43,422.08

Finding the Fourth Proportional to 79,232.16, 109,339.74 and 43,422.08

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Solution

The fourth proportional to 79,232.16, 109,339.74 and 43,422.08 is: 59,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,232.16 : 109,339.74 = 43,422.08 : x
  2. Step 2: Convert to fraction form
    79,232.16/109,339.74 = 43,422.08/x
  3. Step 3: Cross multiply
    79,232.16x = 109,339.74 × 43,422.08
  4. Step 4: Simplify right side
    79,232.16x = 4,747,758,937.46
  5. Step 5: Solve for x
    x = 4,747,758,937.46/79,232.16
  6. Step 6: Final answer
    x = 59,922.12

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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.