Home / 111,089.82-153,303.30-60,102.36

Finding the Fourth Proportional to 111,089.82, 153,303.30 and 60,102.36

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Solution

The fourth proportional to 111,089.82, 153,303.30 and 60,102.36 is: 82,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,089.82 : 153,303.30 = 60,102.36 : x
  2. Step 2: Convert to fraction form
    111,089.82/153,303.30 = 60,102.36/x
  3. Step 3: Cross multiply
    111,089.82x = 153,303.30 × 60,102.36
  4. Step 4: Simplify right side
    111,089.82x = 9,213,890,125.79
  5. Step 5: Solve for x
    x = 9,213,890,125.79/111,089.82
  6. Step 6: Final answer
    x = 82,940.90

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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.