Home / 90,426.51-124,787.97-50,140.31

Finding the Fourth Proportional to 90,426.51, 124,787.97 and 50,140.31

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Solution

The fourth proportional to 90,426.51, 124,787.97 and 50,140.31 is: 69,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,426.51 : 124,787.97 = 50,140.31 : x
  2. Step 2: Convert to fraction form
    90,426.51/124,787.97 = 50,140.31/x
  3. Step 3: Cross multiply
    90,426.51x = 124,787.97 × 50,140.31
  4. Step 4: Simplify right side
    90,426.51x = 6,256,906,876.13
  5. Step 5: Solve for x
    x = 6,256,906,876.13/90,426.51
  6. Step 6: Final answer
    x = 69,193.28

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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.