Home / 124,067.09-171,251.55-70,387.79

Finding the Fourth Proportional to 124,067.09, 171,251.55 and 70,387.79

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Solution

The fourth proportional to 124,067.09, 171,251.55 and 70,387.79 is: 97,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,067.09 : 171,251.55 = 70,387.79 : x
  2. Step 2: Convert to fraction form
    124,067.09/171,251.55 = 70,387.79/x
  3. Step 3: Cross multiply
    124,067.09x = 171,251.55 × 70,387.79
  4. Step 4: Simplify right side
    124,067.09x = 12,054,017,282.32
  5. Step 5: Solve for x
    x = 12,054,017,282.32/124,067.09
  6. Step 6: Final answer
    x = 97,157.25

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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.