Home / 45,411.72-62,632.66-29,501.28

Finding the Fourth Proportional to 45,411.72, 62,632.66 and 29,501.28

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Solution

The fourth proportional to 45,411.72, 62,632.66 and 29,501.28 is: 40,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411.72 : 62,632.66 = 29,501.28 : x
  2. Step 2: Convert to fraction form
    45,411.72/62,632.66 = 29,501.28/x
  3. Step 3: Cross multiply
    45,411.72x = 62,632.66 × 29,501.28
  4. Step 4: Simplify right side
    45,411.72x = 1,847,743,639.80
  5. Step 5: Solve for x
    x = 1,847,743,639.80/45,411.72
  6. Step 6: Final answer
    x = 40,688.70

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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.