Home / 72,834.40-109,260.64-26,087.28

Finding the Fourth Proportional to 72,834.40, 109,260.64 and 26,087.28

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Solution

The fourth proportional to 72,834.40, 109,260.64 and 26,087.28 is: 39,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834.40 : 109,260.64 = 26,087.28 : x
  2. Step 2: Convert to fraction form
    72,834.40/109,260.64 = 26,087.28/x
  3. Step 3: Cross multiply
    72,834.40x = 109,260.64 × 26,087.28
  4. Step 4: Simplify right side
    72,834.40x = 2,850,312,908.66
  5. Step 5: Solve for x
    x = 2,850,312,908.66/72,834.40
  6. Step 6: Final answer
    x = 39,134.16

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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.