Home / 62,405.78-93,617.46-20,272.36

Finding the Fourth Proportional to 62,405.78, 93,617.46 and 20,272.36

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Solution

The fourth proportional to 62,405.78, 93,617.46 and 20,272.36 is: 30,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,405.78 : 93,617.46 = 20,272.36 : x
  2. Step 2: Convert to fraction form
    62,405.78/93,617.46 = 20,272.36/x
  3. Step 3: Cross multiply
    62,405.78x = 93,617.46 × 20,272.36
  4. Step 4: Simplify right side
    62,405.78x = 1,897,846,851.41
  5. Step 5: Solve for x
    x = 1,897,846,851.41/62,405.78
  6. Step 6: Final answer
    x = 30,411.40

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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.