Home / 102,318.19-141,208.67-59,876.72

Finding the Fourth Proportional to 102,318.19, 141,208.67 and 59,876.72

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Solution

The fourth proportional to 102,318.19, 141,208.67 and 59,876.72 is: 82,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,318.19 : 141,208.67 = 59,876.72 : x
  2. Step 2: Convert to fraction form
    102,318.19/141,208.67 = 59,876.72/x
  3. Step 3: Cross multiply
    102,318.19x = 141,208.67 × 59,876.72
  4. Step 4: Simplify right side
    102,318.19x = 8,455,111,631.54
  5. Step 5: Solve for x
    x = 8,455,111,631.54/102,318.19
  6. Step 6: Final answer
    x = 82,635.47

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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.