Home / 57,985.56-80,009.10-55,032.84

Finding the Fourth Proportional to 57,985.56, 80,009.10 and 55,032.84

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Solution

The fourth proportional to 57,985.56, 80,009.10 and 55,032.84 is: 75,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,985.56 : 80,009.10 = 55,032.84 : x
  2. Step 2: Convert to fraction form
    57,985.56/80,009.10 = 55,032.84/x
  3. Step 3: Cross multiply
    57,985.56x = 80,009.10 × 55,032.84
  4. Step 4: Simplify right side
    57,985.56x = 4,403,127,998.84
  5. Step 5: Solve for x
    x = 4,403,127,998.84/57,985.56
  6. Step 6: Final answer
    x = 75,934.91

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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.