Home / 69,903.20-96,466.55-38,071.42

Finding the Fourth Proportional to 69,903.20, 96,466.55 and 38,071.42

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Solution

The fourth proportional to 69,903.20, 96,466.55 and 38,071.42 is: 52,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,903.20 : 96,466.55 = 38,071.42 : x
  2. Step 2: Convert to fraction form
    69,903.20/96,466.55 = 38,071.42/x
  3. Step 3: Cross multiply
    69,903.20x = 96,466.55 × 38,071.42
  4. Step 4: Simplify right side
    69,903.20x = 3,672,618,109.48
  5. Step 5: Solve for x
    x = 3,672,618,109.48/69,903.20
  6. Step 6: Final answer
    x = 52,538.62

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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.