Home / 85,848.19-128,800.29-41,480.03

Finding the Fourth Proportional to 85,848.19, 128,800.29 and 41,480.03

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Solution

The fourth proportional to 85,848.19, 128,800.29 and 41,480.03 is: 62,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,848.19 : 128,800.29 = 41,480.03 : x
  2. Step 2: Convert to fraction form
    85,848.19/128,800.29 = 41,480.03/x
  3. Step 3: Cross multiply
    85,848.19x = 128,800.29 × 41,480.03
  4. Step 4: Simplify right side
    85,848.19x = 5,342,639,893.21
  5. Step 5: Solve for x
    x = 5,342,639,893.21/85,848.19
  6. Step 6: Final answer
    x = 62,233.58

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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.