Home / 74,825.85-103,277.34-43,013.20

Finding the Fourth Proportional to 74,825.85, 103,277.34 and 43,013.20

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Solution

The fourth proportional to 74,825.85, 103,277.34 and 43,013.20 is: 59,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,825.85 : 103,277.34 = 43,013.20 : x
  2. Step 2: Convert to fraction form
    74,825.85/103,277.34 = 43,013.20/x
  3. Step 3: Cross multiply
    74,825.85x = 103,277.34 × 43,013.20
  4. Step 4: Simplify right side
    74,825.85x = 4,442,288,880.89
  5. Step 5: Solve for x
    x = 4,442,288,880.89/74,825.85
  6. Step 6: Final answer
    x = 59,368.37

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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.