Home / 50,731.53-70,029.14-45,417.12

Finding the Fourth Proportional to 50,731.53, 70,029.14 and 45,417.12

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Solution

The fourth proportional to 50,731.53, 70,029.14 and 45,417.12 is: 62,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.53 : 70,029.14 = 45,417.12 : x
  2. Step 2: Convert to fraction form
    50,731.53/70,029.14 = 45,417.12/x
  3. Step 3: Cross multiply
    50,731.53x = 70,029.14 × 45,417.12
  4. Step 4: Simplify right side
    50,731.53x = 3,180,521,627.79
  5. Step 5: Solve for x
    x = 3,180,521,627.79/50,731.53
  6. Step 6: Final answer
    x = 62,693.19

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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.