Home / 74,911.36-103,352.88-49,430.38

Finding the Fourth Proportional to 74,911.36, 103,352.88 and 49,430.38

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Solution

The fourth proportional to 74,911.36, 103,352.88 and 49,430.38 is: 68,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,911.36 : 103,352.88 = 49,430.38 : x
  2. Step 2: Convert to fraction form
    74,911.36/103,352.88 = 49,430.38/x
  3. Step 3: Cross multiply
    74,911.36x = 103,352.88 × 49,430.38
  4. Step 4: Simplify right side
    74,911.36x = 5,108,772,132.49
  5. Step 5: Solve for x
    x = 5,108,772,132.49/74,911.36
  6. Step 6: Final answer
    x = 68,197.56

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1.5x scale

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.