Home / 101,134.90-151,702.35-31,005.10

Finding the Fourth Proportional to 101,134.90, 151,702.35 and 31,005.10

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Solution

The fourth proportional to 101,134.90, 151,702.35 and 31,005.10 is: 46,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,134.90 : 151,702.35 = 31,005.10 : x
  2. Step 2: Convert to fraction form
    101,134.90/151,702.35 = 31,005.10/x
  3. Step 3: Cross multiply
    101,134.90x = 151,702.35 × 31,005.10
  4. Step 4: Simplify right side
    101,134.90x = 4,703,546,531.99
  5. Step 5: Solve for x
    x = 4,703,546,531.99/101,134.90
  6. Step 6: Final answer
    x = 46,507.65

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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.