Home / 101,067.90-151,434.99-61,505.34

Finding the Fourth Proportional to 101,067.90, 151,434.99 and 61,505.34

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Solution

The fourth proportional to 101,067.90, 151,434.99 and 61,505.34 is: 92,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,067.90 : 151,434.99 = 61,505.34 : x
  2. Step 2: Convert to fraction form
    101,067.90/151,434.99 = 61,505.34/x
  3. Step 3: Cross multiply
    101,067.90x = 151,434.99 × 61,505.34
  4. Step 4: Simplify right side
    101,067.90x = 9,314,060,547.85
  5. Step 5: Solve for x
    x = 9,314,060,547.85/101,067.90
  6. Step 6: Final answer
    x = 92,156.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.