Home / 102,435.48-141,370.26-62,159.46

Finding the Fourth Proportional to 102,435.48, 141,370.26 and 62,159.46

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Solution

The fourth proportional to 102,435.48, 141,370.26 and 62,159.46 is: 85,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,435.48 : 141,370.26 = 62,159.46 : x
  2. Step 2: Convert to fraction form
    102,435.48/141,370.26 = 62,159.46/x
  3. Step 3: Cross multiply
    102,435.48x = 141,370.26 × 62,159.46
  4. Step 4: Simplify right side
    102,435.48x = 8,787,499,021.66
  5. Step 5: Solve for x
    x = 8,787,499,021.66/102,435.48
  6. Step 6: Final answer
    x = 85,785.70

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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.