Home / 55,159.02-76,196.97-49,188.78

Finding the Fourth Proportional to 55,159.02, 76,196.97 and 49,188.78

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Solution

The fourth proportional to 55,159.02, 76,196.97 and 49,188.78 is: 67,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159.02 : 76,196.97 = 49,188.78 : x
  2. Step 2: Convert to fraction form
    55,159.02/76,196.97 = 49,188.78/x
  3. Step 3: Cross multiply
    55,159.02x = 76,196.97 × 49,188.78
  4. Step 4: Simplify right side
    55,159.02x = 3,748,035,994.00
  5. Step 5: Solve for x
    x = 3,748,035,994.00/55,159.02
  6. Step 6: Final answer
    x = 67,949.65

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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.