Home / 74,851.40-103,289.10-43,013.54

Finding the Fourth Proportional to 74,851.40, 103,289.10 and 43,013.54

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Solution

The fourth proportional to 74,851.40, 103,289.10 and 43,013.54 is: 59,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,851.40 : 103,289.10 = 43,013.54 : x
  2. Step 2: Convert to fraction form
    74,851.40/103,289.10 = 43,013.54/x
  3. Step 3: Cross multiply
    74,851.40x = 103,289.10 × 43,013.54
  4. Step 4: Simplify right side
    74,851.40x = 4,442,829,834.41
  5. Step 5: Solve for x
    x = 4,442,829,834.41/74,851.40
  6. Step 6: Final answer
    x = 59,355.33

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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.