Home / 109,860.25-151,623.33-69,577.75

Finding the Fourth Proportional to 109,860.25, 151,623.33 and 69,577.75

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Solution

The fourth proportional to 109,860.25, 151,623.33 and 69,577.75 is: 96,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,860.25 : 151,623.33 = 69,577.75 : x
  2. Step 2: Convert to fraction form
    109,860.25/151,623.33 = 69,577.75/x
  3. Step 3: Cross multiply
    109,860.25x = 151,623.33 × 69,577.75
  4. Step 4: Simplify right side
    109,860.25x = 10,549,610,148.91
  5. Step 5: Solve for x
    x = 10,549,610,148.91/109,860.25
  6. Step 6: Final answer
    x = 96,027.55

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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.