Home / 65,702.90-98,616.66-40,667.22

Finding the Fourth Proportional to 65,702.90, 98,616.66 and 40,667.22

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Solution

The fourth proportional to 65,702.90, 98,616.66 and 40,667.22 is: 61,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,702.90 : 98,616.66 = 40,667.22 : x
  2. Step 2: Convert to fraction form
    65,702.90/98,616.66 = 40,667.22/x
  3. Step 3: Cross multiply
    65,702.90x = 98,616.66 × 40,667.22
  4. Step 4: Simplify right side
    65,702.90x = 4,010,464,711.47
  5. Step 5: Solve for x
    x = 4,010,464,711.47/65,702.90
  6. Step 6: Final answer
    x = 61,039.39

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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.