Home / 45,124.43-67,612.66-31,953.16

Finding the Fourth Proportional to 45,124.43, 67,612.66 and 31,953.16

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Solution

The fourth proportional to 45,124.43, 67,612.66 and 31,953.16 is: 47,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,124.43 : 67,612.66 = 31,953.16 : x
  2. Step 2: Convert to fraction form
    45,124.43/67,612.66 = 31,953.16/x
  3. Step 3: Cross multiply
    45,124.43x = 67,612.66 × 31,953.16
  4. Step 4: Simplify right side
    45,124.43x = 2,160,438,143.01
  5. Step 5: Solve for x
    x = 2,160,438,143.01/45,124.43
  6. Step 6: Final answer
    x = 47,877.35

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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.