Home / 99,017.38-148,564.95-43,574.50

Finding the Fourth Proportional to 99,017.38, 148,564.95 and 43,574.50

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Solution

The fourth proportional to 99,017.38, 148,564.95 and 43,574.50 is: 65,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,017.38 : 148,564.95 = 43,574.50 : x
  2. Step 2: Convert to fraction form
    99,017.38/148,564.95 = 43,574.50/x
  3. Step 3: Cross multiply
    99,017.38x = 148,564.95 × 43,574.50
  4. Step 4: Simplify right side
    99,017.38x = 6,473,643,413.78
  5. Step 5: Solve for x
    x = 6,473,643,413.78/99,017.38
  6. Step 6: Final answer
    x = 65,378.86

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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.