Home / 83,139.60-124,709.40-41,667.60

Finding the Fourth Proportional to 83,139.60, 124,709.40 and 41,667.60

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Solution

The fourth proportional to 83,139.60, 124,709.40 and 41,667.60 is: 62,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,139.60 : 124,709.40 = 41,667.60 : x
  2. Step 2: Convert to fraction form
    83,139.60/124,709.40 = 41,667.60/x
  3. Step 3: Cross multiply
    83,139.60x = 124,709.40 × 41,667.60
  4. Step 4: Simplify right side
    83,139.60x = 5,196,341,395.44
  5. Step 5: Solve for x
    x = 5,196,341,395.44/83,139.60
  6. Step 6: Final answer
    x = 62,501.40

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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.