Home / 61,702.08-85,149.39-36,208.81

Finding the Fourth Proportional to 61,702.08, 85,149.39 and 36,208.81

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Solution

The fourth proportional to 61,702.08, 85,149.39 and 36,208.81 is: 49,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,702.08 : 85,149.39 = 36,208.81 : x
  2. Step 2: Convert to fraction form
    61,702.08/85,149.39 = 36,208.81/x
  3. Step 3: Cross multiply
    61,702.08x = 85,149.39 × 36,208.81
  4. Step 4: Simplify right side
    61,702.08x = 3,083,158,084.13
  5. Step 5: Solve for x
    x = 3,083,158,084.13/61,702.08
  6. Step 6: Final answer
    x = 49,968.46

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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.