Home / 45,837.90-68,775.89-42,159.69

Finding the Fourth Proportional to 45,837.90, 68,775.89 and 42,159.69

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Solution

The fourth proportional to 45,837.90, 68,775.89 and 42,159.69 is: 63,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,837.90 : 68,775.89 = 42,159.69 : x
  2. Step 2: Convert to fraction form
    45,837.90/68,775.89 = 42,159.69/x
  3. Step 3: Cross multiply
    45,837.90x = 68,775.89 × 42,159.69
  4. Step 4: Simplify right side
    45,837.90x = 2,899,569,991.08
  5. Step 5: Solve for x
    x = 2,899,569,991.08/45,837.90
  6. Step 6: Final answer
    x = 63,257.04

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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.