Home / 72,976.08-109,437.24-26,216.40

Finding the Fourth Proportional to 72,976.08, 109,437.24 and 26,216.40

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Solution

The fourth proportional to 72,976.08, 109,437.24 and 26,216.40 is: 39,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,976.08 : 109,437.24 = 26,216.40 : x
  2. Step 2: Convert to fraction form
    72,976.08/109,437.24 = 26,216.40/x
  3. Step 3: Cross multiply
    72,976.08x = 109,437.24 × 26,216.40
  4. Step 4: Simplify right side
    72,976.08x = 2,869,050,458.74
  5. Step 5: Solve for x
    x = 2,869,050,458.74/72,976.08
  6. Step 6: Final answer
    x = 39,314.94

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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.