Home / 102,924.79-142,042.47-57,601.85

Finding the Fourth Proportional to 102,924.79, 142,042.47 and 57,601.85

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Solution

The fourth proportional to 102,924.79, 142,042.47 and 57,601.85 is: 79,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,924.79 : 142,042.47 = 57,601.85 : x
  2. Step 2: Convert to fraction form
    102,924.79/142,042.47 = 57,601.85/x
  3. Step 3: Cross multiply
    102,924.79x = 142,042.47 × 57,601.85
  4. Step 4: Simplify right side
    102,924.79x = 8,181,908,052.35
  5. Step 5: Solve for x
    x = 8,181,908,052.35/102,924.79
  6. Step 6: Final answer
    x = 79,494.05

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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.