Home / 48,069.88-72,117.80-43,443.16

Finding the Fourth Proportional to 48,069.88, 72,117.80 and 43,443.16

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Solution

The fourth proportional to 48,069.88, 72,117.80 and 43,443.16 is: 65,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,069.88 : 72,117.80 = 43,443.16 : x
  2. Step 2: Convert to fraction form
    48,069.88/72,117.80 = 43,443.16/x
  3. Step 3: Cross multiply
    48,069.88x = 72,117.80 × 43,443.16
  4. Step 4: Simplify right side
    48,069.88x = 3,133,025,124.25
  5. Step 5: Solve for x
    x = 3,133,025,124.25/48,069.88
  6. Step 6: Final answer
    x = 65,176.47

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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.