Home / 102,815.16-141,877.12-62,523.32

Finding the Fourth Proportional to 102,815.16, 141,877.12 and 62,523.32

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Solution

The fourth proportional to 102,815.16, 141,877.12 and 62,523.32 is: 86,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,815.16 : 141,877.12 = 62,523.32 : x
  2. Step 2: Convert to fraction form
    102,815.16/141,877.12 = 62,523.32/x
  3. Step 3: Cross multiply
    102,815.16x = 141,877.12 × 62,523.32
  4. Step 4: Simplify right side
    102,815.16x = 8,870,628,574.44
  5. Step 5: Solve for x
    x = 8,870,628,574.44/102,815.16
  6. Step 6: Final answer
    x = 86,277.44

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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.