Home / 85,564.44-128,359.35-29,419.02

Finding the Fourth Proportional to 85,564.44, 128,359.35 and 29,419.02

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Solution

The fourth proportional to 85,564.44, 128,359.35 and 29,419.02 is: 44,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,564.44 : 128,359.35 = 29,419.02 : x
  2. Step 2: Convert to fraction form
    85,564.44/128,359.35 = 29,419.02/x
  3. Step 3: Cross multiply
    85,564.44x = 128,359.35 × 29,419.02
  4. Step 4: Simplify right side
    85,564.44x = 3,776,206,284.84
  5. Step 5: Solve for x
    x = 3,776,206,284.84/85,564.44
  6. Step 6: Final answer
    x = 44,132.89

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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.