Home / 99,914.16-137,622.92-69,645.36

Finding the Fourth Proportional to 99,914.16, 137,622.92 and 69,645.36

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Solution

The fourth proportional to 99,914.16, 137,622.92 and 69,645.36 is: 95,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,914.16 : 137,622.92 = 69,645.36 : x
  2. Step 2: Convert to fraction form
    99,914.16/137,622.92 = 69,645.36/x
  3. Step 3: Cross multiply
    99,914.16x = 137,622.92 × 69,645.36
  4. Step 4: Simplify right side
    99,914.16x = 9,584,797,807.65
  5. Step 5: Solve for x
    x = 9,584,797,807.65/99,914.16
  6. Step 6: Final answer
    x = 95,930.32

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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.