Home / 107,709.52-148,588.08-75,895.92

Finding the Fourth Proportional to 107,709.52, 148,588.08 and 75,895.92

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Solution

The fourth proportional to 107,709.52, 148,588.08 and 75,895.92 is: 104,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,709.52 : 148,588.08 = 75,895.92 : x
  2. Step 2: Convert to fraction form
    107,709.52/148,588.08 = 75,895.92/x
  3. Step 3: Cross multiply
    107,709.52x = 148,588.08 × 75,895.92
  4. Step 4: Simplify right side
    107,709.52x = 11,277,229,032.63
  5. Step 5: Solve for x
    x = 11,277,229,032.63/107,709.52
  6. Step 6: Final answer
    x = 104,700.39

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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.