Home / 79,344.16-109,395.31-58,086.52

Finding the Fourth Proportional to 79,344.16, 109,395.31 and 58,086.52

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Solution

The fourth proportional to 79,344.16, 109,395.31 and 58,086.52 is: 80,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,344.16 : 109,395.31 = 58,086.52 : x
  2. Step 2: Convert to fraction form
    79,344.16/109,395.31 = 58,086.52/x
  3. Step 3: Cross multiply
    79,344.16x = 109,395.31 × 58,086.52
  4. Step 4: Simplify right side
    79,344.16x = 6,354,392,024.81
  5. Step 5: Solve for x
    x = 6,354,392,024.81/79,344.16
  6. Step 6: Final answer
    x = 80,086.45

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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.