Home / 45,430.14-68,116.05-29,829.54

Finding the Fourth Proportional to 45,430.14, 68,116.05 and 29,829.54

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Solution

The fourth proportional to 45,430.14, 68,116.05 and 29,829.54 is: 44,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430.14 : 68,116.05 = 29,829.54 : x
  2. Step 2: Convert to fraction form
    45,430.14/68,116.05 = 29,829.54/x
  3. Step 3: Cross multiply
    45,430.14x = 68,116.05 × 29,829.54
  4. Step 4: Simplify right side
    45,430.14x = 2,031,870,438.12
  5. Step 5: Solve for x
    x = 2,031,870,438.12/45,430.14
  6. Step 6: Final answer
    x = 44,725.16

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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.