Home / 72,976.08-109,290.36-46,599.12

Finding the Fourth Proportional to 72,976.08, 109,290.36 and 46,599.12

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Solution

The fourth proportional to 72,976.08, 109,290.36 and 46,599.12 is: 69,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,976.08 : 109,290.36 = 46,599.12 : x
  2. Step 2: Convert to fraction form
    72,976.08/109,290.36 = 46,599.12/x
  3. Step 3: Cross multiply
    72,976.08x = 109,290.36 × 46,599.12
  4. Step 4: Simplify right side
    72,976.08x = 5,092,834,600.48
  5. Step 5: Solve for x
    x = 5,092,834,600.48/72,976.08
  6. Step 6: Final answer
    x = 69,787.72

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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.