Home / 107,467.92-148,281.04-66,668.75

Finding the Fourth Proportional to 107,467.92, 148,281.04 and 66,668.75

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Solution

The fourth proportional to 107,467.92, 148,281.04 and 66,668.75 is: 91,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,467.92 : 148,281.04 = 66,668.75 : x
  2. Step 2: Convert to fraction form
    107,467.92/148,281.04 = 66,668.75/x
  3. Step 3: Cross multiply
    107,467.92x = 148,281.04 × 66,668.75
  4. Step 4: Simplify right side
    107,467.92x = 9,885,712,130.06
  5. Step 5: Solve for x
    x = 9,885,712,130.06/107,467.92
  6. Step 6: Final answer
    x = 91,987.56

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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.