Home / 70,271.20-96,973.47-38,439.72

Finding the Fourth Proportional to 70,271.20, 96,973.47 and 38,439.72

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Solution

The fourth proportional to 70,271.20, 96,973.47 and 38,439.72 is: 53,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,271.20 : 96,973.47 = 38,439.72 : x
  2. Step 2: Convert to fraction form
    70,271.20/96,973.47 = 38,439.72/x
  3. Step 3: Cross multiply
    70,271.20x = 96,973.47 × 38,439.72
  4. Step 4: Simplify right side
    70,271.20x = 3,727,633,034.23
  5. Step 5: Solve for x
    x = 3,727,633,034.23/70,271.20
  6. Step 6: Final answer
    x = 53,046.38

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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.