Home / 68,878.91-95,028.45-45,019.35

Finding the Fourth Proportional to 68,878.91, 95,028.45 and 45,019.35

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Solution

The fourth proportional to 68,878.91, 95,028.45 and 45,019.35 is: 62,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,878.91 : 95,028.45 = 45,019.35 : x
  2. Step 2: Convert to fraction form
    68,878.91/95,028.45 = 45,019.35/x
  3. Step 3: Cross multiply
    68,878.91x = 95,028.45 × 45,019.35
  4. Step 4: Simplify right side
    68,878.91x = 4,278,119,050.51
  5. Step 5: Solve for x
    x = 4,278,119,050.51/68,878.91
  6. Step 6: Final answer
    x = 62,110.73

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1.5x scale

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.