Home / 70,904.23-97,846.58-38,639.14

Finding the Fourth Proportional to 70,904.23, 97,846.58 and 38,639.14

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Solution

The fourth proportional to 70,904.23, 97,846.58 and 38,639.14 is: 53,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,904.23 : 97,846.58 = 38,639.14 : x
  2. Step 2: Convert to fraction form
    70,904.23/97,846.58 = 38,639.14/x
  3. Step 3: Cross multiply
    70,904.23x = 97,846.58 × 38,639.14
  4. Step 4: Simplify right side
    70,904.23x = 3,780,707,555.12
  5. Step 5: Solve for x
    x = 3,780,707,555.12/70,904.23
  6. Step 6: Final answer
    x = 53,321.33

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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.