Home / 56,290.06-84,531.79-49,979.15

Finding the Fourth Proportional to 56,290.06, 84,531.79 and 49,979.15

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Solution

The fourth proportional to 56,290.06, 84,531.79 and 49,979.15 is: 75,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,290.06 : 84,531.79 = 49,979.15 : x
  2. Step 2: Convert to fraction form
    56,290.06/84,531.79 = 49,979.15/x
  3. Step 3: Cross multiply
    56,290.06x = 84,531.79 × 49,979.15
  4. Step 4: Simplify right side
    56,290.06x = 4,224,826,762.28
  5. Step 5: Solve for x
    x = 4,224,826,762.28/56,290.06
  6. Step 6: Final answer
    x = 75,054.58

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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.