Home / 74,679.53-103,058.66-42,851.39

Finding the Fourth Proportional to 74,679.53, 103,058.66 and 42,851.39

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Solution

The fourth proportional to 74,679.53, 103,058.66 and 42,851.39 is: 59,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,679.53 : 103,058.66 = 42,851.39 : x
  2. Step 2: Convert to fraction form
    74,679.53/103,058.66 = 42,851.39/x
  3. Step 3: Cross multiply
    74,679.53x = 103,058.66 × 42,851.39
  4. Step 4: Simplify right side
    74,679.53x = 4,416,206,102.99
  5. Step 5: Solve for x
    x = 4,416,206,102.99/74,679.53
  6. Step 6: Final answer
    x = 59,135.43

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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.