Home / 90,827.82-125,344.12-50,543.28

Finding the Fourth Proportional to 90,827.82, 125,344.12 and 50,543.28

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Solution

The fourth proportional to 90,827.82, 125,344.12 and 50,543.28 is: 69,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,827.82 : 125,344.12 = 50,543.28 : x
  2. Step 2: Convert to fraction form
    90,827.82/125,344.12 = 50,543.28/x
  3. Step 3: Cross multiply
    90,827.82x = 125,344.12 × 50,543.28
  4. Step 4: Simplify right side
    90,827.82x = 6,335,302,953.51
  5. Step 5: Solve for x
    x = 6,335,302,953.51/90,827.82
  6. Step 6: Final answer
    x = 69,750.69

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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.