Home / 70,101.82-96,740.02-38,270.72

Finding the Fourth Proportional to 70,101.82, 96,740.02 and 38,270.72

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Solution

The fourth proportional to 70,101.82, 96,740.02 and 38,270.72 is: 52,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,101.82 : 96,740.02 = 38,270.72 : x
  2. Step 2: Convert to fraction form
    70,101.82/96,740.02 = 38,270.72/x
  3. Step 3: Cross multiply
    70,101.82x = 96,740.02 × 38,270.72
  4. Step 4: Simplify right side
    70,101.82x = 3,702,310,218.21
  5. Step 5: Solve for x
    x = 3,702,310,218.21/70,101.82
  6. Step 6: Final answer
    x = 52,813.33

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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.