Home / 70,187.48-96,860.12-38,358.36

Finding the Fourth Proportional to 70,187.48, 96,860.12 and 38,358.36

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Solution

The fourth proportional to 70,187.48, 96,860.12 and 38,358.36 is: 52,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,187.48 : 96,860.12 = 38,358.36 : x
  2. Step 2: Convert to fraction form
    70,187.48/96,860.12 = 38,358.36/x
  3. Step 3: Cross multiply
    70,187.48x = 96,860.12 × 38,358.36
  4. Step 4: Simplify right side
    70,187.48x = 3,715,395,352.60
  5. Step 5: Solve for x
    x = 3,715,395,352.60/70,187.48
  6. Step 6: Final answer
    x = 52,935.30

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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.