Home / 51,143.22-70,587.90-29,636.46

Finding the Fourth Proportional to 51,143.22, 70,587.90 and 29,636.46

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Solution

The fourth proportional to 51,143.22, 70,587.90 and 29,636.46 is: 40,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143.22 : 70,587.90 = 29,636.46 : x
  2. Step 2: Convert to fraction form
    51,143.22/70,587.90 = 29,636.46/x
  3. Step 3: Cross multiply
    51,143.22x = 70,587.90 × 29,636.46
  4. Step 4: Simplify right side
    51,143.22x = 2,091,975,474.83
  5. Step 5: Solve for x
    x = 2,091,975,474.83/51,143.22
  6. Step 6: Final answer
    x = 40,904.26

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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.