Home / 70,030.36-96,642.20-38,199.96

Finding the Fourth Proportional to 70,030.36, 96,642.20 and 38,199.96

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Solution

The fourth proportional to 70,030.36, 96,642.20 and 38,199.96 is: 52,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,030.36 : 96,642.20 = 38,199.96 : x
  2. Step 2: Convert to fraction form
    70,030.36/96,642.20 = 38,199.96/x
  3. Step 3: Cross multiply
    70,030.36x = 96,642.20 × 38,199.96
  4. Step 4: Simplify right side
    70,030.36x = 3,691,728,174.31
  5. Step 5: Solve for x
    x = 3,691,728,174.31/70,030.36
  6. Step 6: Final answer
    x = 52,716.11

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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.