Home / 70,471.01-97,249.29-38,639.83

Finding the Fourth Proportional to 70,471.01, 97,249.29 and 38,639.83

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Solution

The fourth proportional to 70,471.01, 97,249.29 and 38,639.83 is: 53,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,471.01 : 97,249.29 = 38,639.83 : x
  2. Step 2: Convert to fraction form
    70,471.01/97,249.29 = 38,639.83/x
  3. Step 3: Cross multiply
    70,471.01x = 97,249.29 × 38,639.83
  4. Step 4: Simplify right side
    70,471.01x = 3,757,696,033.22
  5. Step 5: Solve for x
    x = 3,757,696,033.22/70,471.01
  6. Step 6: Final answer
    x = 53,322.58

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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.