Home / 107,455.73-148,248.63-66,601.17

Finding the Fourth Proportional to 107,455.73, 148,248.63 and 66,601.17

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Solution

The fourth proportional to 107,455.73, 148,248.63 and 66,601.17 is: 91,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,455.73 : 148,248.63 = 66,601.17 : x
  2. Step 2: Convert to fraction form
    107,455.73/148,248.63 = 66,601.17/x
  3. Step 3: Cross multiply
    107,455.73x = 148,248.63 × 66,601.17
  4. Step 4: Simplify right side
    107,455.73x = 9,873,532,208.90
  5. Step 5: Solve for x
    x = 9,873,532,208.90/107,455.73
  6. Step 6: Final answer
    x = 91,884.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.