Home / 70,269.12-96,971.38-38,437.94

Finding the Fourth Proportional to 70,269.12, 96,971.38 and 38,437.94

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Solution

The fourth proportional to 70,269.12, 96,971.38 and 38,437.94 is: 53,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,269.12 : 96,971.38 = 38,437.94 : x
  2. Step 2: Convert to fraction form
    70,269.12/96,971.38 = 38,437.94/x
  3. Step 3: Cross multiply
    70,269.12x = 96,971.38 × 38,437.94
  4. Step 4: Simplify right side
    70,269.12x = 3,727,380,232.49
  5. Step 5: Solve for x
    x = 3,727,380,232.49/70,269.12
  6. Step 6: Final answer
    x = 53,044.36

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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.