Home / 60,429.30-90,741.15-43,905.30

Finding the Fourth Proportional to 60,429.30, 90,741.15 and 43,905.30

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Solution

The fourth proportional to 60,429.30, 90,741.15 and 43,905.30 is: 65,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,429.30 : 90,741.15 = 43,905.30 : x
  2. Step 2: Convert to fraction form
    60,429.30/90,741.15 = 43,905.30/x
  3. Step 3: Cross multiply
    60,429.30x = 90,741.15 × 43,905.30
  4. Step 4: Simplify right side
    60,429.30x = 3,984,017,413.10
  5. Step 5: Solve for x
    x = 3,984,017,413.10/60,429.30
  6. Step 6: Final answer
    x = 65,928.57

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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.