Home / 70,908.44-97,853.66-38,643.07

Finding the Fourth Proportional to 70,908.44, 97,853.66 and 38,643.07

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Solution

The fourth proportional to 70,908.44, 97,853.66 and 38,643.07 is: 53,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,908.44 : 97,853.66 = 38,643.07 : x
  2. Step 2: Convert to fraction form
    70,908.44/97,853.66 = 38,643.07/x
  3. Step 3: Cross multiply
    70,908.44x = 97,853.66 × 38,643.07
  4. Step 4: Simplify right side
    70,908.44x = 3,781,365,685.11
  5. Step 5: Solve for x
    x = 3,781,365,685.11/70,908.44
  6. Step 6: Final answer
    x = 53,327.44

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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.