Home / 111,089.10-153,302.30-60,101.66

Finding the Fourth Proportional to 111,089.10, 153,302.30 and 60,101.66

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Solution

The fourth proportional to 111,089.10, 153,302.30 and 60,101.66 is: 82,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,089.10 : 153,302.30 = 60,101.66 : x
  2. Step 2: Convert to fraction form
    111,089.10/153,302.30 = 60,101.66/x
  3. Step 3: Cross multiply
    111,089.10x = 153,302.30 × 60,101.66
  4. Step 4: Simplify right side
    111,089.10x = 9,213,722,711.82
  5. Step 5: Solve for x
    x = 9,213,722,711.82/111,089.10
  6. Step 6: Final answer
    x = 82,939.93

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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.