Home / 70,853.52-97,777.86-39,022.14

Finding the Fourth Proportional to 70,853.52, 97,777.86 and 39,022.14

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Solution

The fourth proportional to 70,853.52, 97,777.86 and 39,022.14 is: 53,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,853.52 : 97,777.86 = 39,022.14 : x
  2. Step 2: Convert to fraction form
    70,853.52/97,777.86 = 39,022.14/x
  3. Step 3: Cross multiply
    70,853.52x = 97,777.86 × 39,022.14
  4. Step 4: Simplify right side
    70,853.52x = 3,815,501,341.82
  5. Step 5: Solve for x
    x = 3,815,501,341.82/70,853.52
  6. Step 6: Final answer
    x = 53,850.55

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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.