Home / 59,976.72-89,965.20-15,603.40

Finding the Fourth Proportional to 59,976.72, 89,965.20 and 15,603.40

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Solution

The fourth proportional to 59,976.72, 89,965.20 and 15,603.40 is: 23,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,976.72 : 89,965.20 = 15,603.40 : x
  2. Step 2: Convert to fraction form
    59,976.72/89,965.20 = 15,603.40/x
  3. Step 3: Cross multiply
    59,976.72x = 89,965.20 × 15,603.40
  4. Step 4: Simplify right side
    59,976.72x = 1,403,763,187.58
  5. Step 5: Solve for x
    x = 1,403,763,187.58/59,976.72
  6. Step 6: Final answer
    x = 23,405.13

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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.