Home / 70,413.29-97,154.52-40,188.95

Finding the Fourth Proportional to 70,413.29, 97,154.52 and 40,188.95

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Solution

The fourth proportional to 70,413.29, 97,154.52 and 40,188.95 is: 55,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,413.29 : 97,154.52 = 40,188.95 : x
  2. Step 2: Convert to fraction form
    70,413.29/97,154.52 = 40,188.95/x
  3. Step 3: Cross multiply
    70,413.29x = 97,154.52 × 40,188.95
  4. Step 4: Simplify right side
    70,413.29x = 3,904,537,660.78
  5. Step 5: Solve for x
    x = 3,904,537,660.78/70,413.29
  6. Step 6: Final answer
    x = 55,451.72

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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.