Home / 92,972.90-128,304.05-50,531.54

Finding the Fourth Proportional to 92,972.90, 128,304.05 and 50,531.54

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Solution

The fourth proportional to 92,972.90, 128,304.05 and 50,531.54 is: 69,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.90 : 128,304.05 = 50,531.54 : x
  2. Step 2: Convert to fraction form
    92,972.90/128,304.05 = 50,531.54/x
  3. Step 3: Cross multiply
    92,972.90x = 128,304.05 × 50,531.54
  4. Step 4: Simplify right side
    92,972.90x = 6,483,400,340.56
  5. Step 5: Solve for x
    x = 6,483,400,340.56/92,972.90
  6. Step 6: Final answer
    x = 69,734.31

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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.