Home / 95,407.40-143,132.34-31,368.44

Finding the Fourth Proportional to 95,407.40, 143,132.34 and 31,368.44

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Solution

The fourth proportional to 95,407.40, 143,132.34 and 31,368.44 is: 47,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,407.40 : 143,132.34 = 31,368.44 : x
  2. Step 2: Convert to fraction form
    95,407.40/143,132.34 = 31,368.44/x
  3. Step 3: Cross multiply
    95,407.40x = 143,132.34 × 31,368.44
  4. Step 4: Simplify right side
    95,407.40x = 4,489,838,219.35
  5. Step 5: Solve for x
    x = 4,489,838,219.35/95,407.40
  6. Step 6: Final answer
    x = 47,059.64

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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.