Home / 92,513.08-127,581.38-61,413.30

Finding the Fourth Proportional to 92,513.08, 127,581.38 and 61,413.30

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Solution

The fourth proportional to 92,513.08, 127,581.38 and 61,413.30 is: 84,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,513.08 : 127,581.38 = 61,413.30 : x
  2. Step 2: Convert to fraction form
    92,513.08/127,581.38 = 61,413.30/x
  3. Step 3: Cross multiply
    92,513.08x = 127,581.38 × 61,413.30
  4. Step 4: Simplify right side
    92,513.08x = 7,835,193,564.35
  5. Step 5: Solve for x
    x = 7,835,193,564.35/92,513.08
  6. Step 6: Final answer
    x = 84,692.82

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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.