Home / 71,845.16-107,767.75-21,925.52

Finding the Fourth Proportional to 71,845.16, 107,767.75 and 21,925.52

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Solution

The fourth proportional to 71,845.16, 107,767.75 and 21,925.52 is: 32,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,845.16 : 107,767.75 = 21,925.52 : x
  2. Step 2: Convert to fraction form
    71,845.16/107,767.75 = 21,925.52/x
  3. Step 3: Cross multiply
    71,845.16x = 107,767.75 × 21,925.52
  4. Step 4: Simplify right side
    71,845.16x = 2,362,863,309.51
  5. Step 5: Solve for x
    x = 2,362,863,309.51/71,845.16
  6. Step 6: Final answer
    x = 32,888.27

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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.