Home / 61,110.78-91,454.76-42,264.30

Finding the Fourth Proportional to 61,110.78, 91,454.76 and 42,264.30

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Solution

The fourth proportional to 61,110.78, 91,454.76 and 42,264.30 is: 63,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,110.78 : 91,454.76 = 42,264.30 : x
  2. Step 2: Convert to fraction form
    61,110.78/91,454.76 = 42,264.30/x
  3. Step 3: Cross multiply
    61,110.78x = 91,454.76 × 42,264.30
  4. Step 4: Simplify right side
    61,110.78x = 3,865,271,413.07
  5. Step 5: Solve for x
    x = 3,865,271,413.07/61,110.78
  6. Step 6: Final answer
    x = 63,250.24

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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.