Home / 102,358.13-141,255.23-59,917.57

Finding the Fourth Proportional to 102,358.13, 141,255.23 and 59,917.57

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Solution

The fourth proportional to 102,358.13, 141,255.23 and 59,917.57 is: 82,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,358.13 : 141,255.23 = 59,917.57 : x
  2. Step 2: Convert to fraction form
    102,358.13/141,255.23 = 59,917.57/x
  3. Step 3: Cross multiply
    102,358.13x = 141,255.23 × 59,917.57
  4. Step 4: Simplify right side
    102,358.13x = 8,463,669,478.67
  5. Step 5: Solve for x
    x = 8,463,669,478.67/102,358.13
  6. Step 6: Final answer
    x = 82,686.84

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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.