Home / 96,927.47-145,391.28-30,372.78

Finding the Fourth Proportional to 96,927.47, 145,391.28 and 30,372.78

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Solution

The fourth proportional to 96,927.47, 145,391.28 and 30,372.78 is: 45,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,927.47 : 145,391.28 = 30,372.78 : x
  2. Step 2: Convert to fraction form
    96,927.47/145,391.28 = 30,372.78/x
  3. Step 3: Cross multiply
    96,927.47x = 145,391.28 × 30,372.78
  4. Step 4: Simplify right side
    96,927.47x = 4,415,937,361.36
  5. Step 5: Solve for x
    x = 4,415,937,361.36/96,927.47
  6. Step 6: Final answer
    x = 45,559.20

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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.