Home / 68,036.76-102,032.43-28,586.52

Finding the Fourth Proportional to 68,036.76, 102,032.43 and 28,586.52

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Solution

The fourth proportional to 68,036.76, 102,032.43 and 28,586.52 is: 42,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,036.76 : 102,032.43 = 28,586.52 : x
  2. Step 2: Convert to fraction form
    68,036.76/102,032.43 = 28,586.52/x
  3. Step 3: Cross multiply
    68,036.76x = 102,032.43 × 28,586.52
  4. Step 4: Simplify right side
    68,036.76x = 2,916,752,100.84
  5. Step 5: Solve for x
    x = 2,916,752,100.84/68,036.76
  6. Step 6: Final answer
    x = 42,870.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.