Home / 79,343.16-109,393.93-58,085.52

Finding the Fourth Proportional to 79,343.16, 109,393.93 and 58,085.52

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Solution

The fourth proportional to 79,343.16, 109,393.93 and 58,085.52 is: 80,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,343.16 : 109,393.93 = 58,085.52 : x
  2. Step 2: Convert to fraction form
    79,343.16/109,393.93 = 58,085.52/x
  3. Step 3: Cross multiply
    79,343.16x = 109,393.93 × 58,085.52
  4. Step 4: Simplify right side
    79,343.16x = 6,354,202,471.50
  5. Step 5: Solve for x
    x = 6,354,202,471.50/79,343.16
  6. Step 6: Final answer
    x = 80,085.07

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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.