Home / 71,845.29-107,767.93-21,925.64

Finding the Fourth Proportional to 71,845.29, 107,767.93 and 21,925.64

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Solution

The fourth proportional to 71,845.29, 107,767.93 and 21,925.64 is: 32,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,845.29 : 107,767.93 = 21,925.64 : x
  2. Step 2: Convert to fraction form
    71,845.29/107,767.93 = 21,925.64/x
  3. Step 3: Cross multiply
    71,845.29x = 107,767.93 × 21,925.64
  4. Step 4: Simplify right side
    71,845.29x = 2,362,880,836.73
  5. Step 5: Solve for x
    x = 2,362,880,836.73/71,845.29
  6. Step 6: Final answer
    x = 32,888.46

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1.5x scale

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.