Home / 83,830.02-115,733.25-55,573.98

Finding the Fourth Proportional to 83,830.02, 115,733.25 and 55,573.98

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Solution

The fourth proportional to 83,830.02, 115,733.25 and 55,573.98 is: 76,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,830.02 : 115,733.25 = 55,573.98 : x
  2. Step 2: Convert to fraction form
    83,830.02/115,733.25 = 55,573.98/x
  3. Step 3: Cross multiply
    83,830.02x = 115,733.25 × 55,573.98
  4. Step 4: Simplify right side
    83,830.02x = 6,431,757,320.84
  5. Step 5: Solve for x
    x = 6,431,757,320.84/83,830.02
  6. Step 6: Final answer
    x = 76,723.80

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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.