Home / 51,125.40-70,572.06-29,911.32

Finding the Fourth Proportional to 51,125.40, 70,572.06 and 29,911.32

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Solution

The fourth proportional to 51,125.40, 70,572.06 and 29,911.32 is: 41,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,125.40 : 70,572.06 = 29,911.32 : x
  2. Step 2: Convert to fraction form
    51,125.40/70,572.06 = 29,911.32/x
  3. Step 3: Cross multiply
    51,125.40x = 70,572.06 × 29,911.32
  4. Step 4: Simplify right side
    51,125.40x = 2,110,903,469.72
  5. Step 5: Solve for x
    x = 2,110,903,469.72/51,125.40
  6. Step 6: Final answer
    x = 41,288.74

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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.