Home / 96,935.06-145,413.02-40,780.89

Finding the Fourth Proportional to 96,935.06, 145,413.02 and 40,780.89

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Solution

The fourth proportional to 96,935.06, 145,413.02 and 40,780.89 is: 61,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,935.06 : 145,413.02 = 40,780.89 : x
  2. Step 2: Convert to fraction form
    96,935.06/145,413.02 = 40,780.89/x
  3. Step 3: Cross multiply
    96,935.06x = 145,413.02 × 40,780.89
  4. Step 4: Simplify right side
    96,935.06x = 5,930,072,475.14
  5. Step 5: Solve for x
    x = 5,930,072,475.14/96,935.06
  6. Step 6: Final answer
    x = 61,175.72

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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.