Home / 70,576.42-97,391.08-38,745.12

Finding the Fourth Proportional to 70,576.42, 97,391.08 and 38,745.12

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Solution

The fourth proportional to 70,576.42, 97,391.08 and 38,745.12 is: 53,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,576.42 : 97,391.08 = 38,745.12 : x
  2. Step 2: Convert to fraction form
    70,576.42/97,391.08 = 38,745.12/x
  3. Step 3: Cross multiply
    70,576.42x = 97,391.08 × 38,745.12
  4. Step 4: Simplify right side
    70,576.42x = 3,773,429,081.53
  5. Step 5: Solve for x
    x = 3,773,429,081.53/70,576.42
  6. Step 6: Final answer
    x = 53,465.86

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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.