Home / 106,830.61-147,413.44-59,077.46

Finding the Fourth Proportional to 106,830.61, 147,413.44 and 59,077.46

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Solution

The fourth proportional to 106,830.61, 147,413.44 and 59,077.46 is: 81,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,830.61 : 147,413.44 = 59,077.46 : x
  2. Step 2: Convert to fraction form
    106,830.61/147,413.44 = 59,077.46/x
  3. Step 3: Cross multiply
    106,830.61x = 147,413.44 × 59,077.46
  4. Step 4: Simplify right side
    106,830.61x = 8,708,811,605.06
  5. Step 5: Solve for x
    x = 8,708,811,605.06/106,830.61
  6. Step 6: Final answer
    x = 81,519.82

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1.5x scale

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.