Home / 90,426.52-124,787.96-50,140.32

Finding the Fourth Proportional to 90,426.52, 124,787.96 and 50,140.32

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Solution

The fourth proportional to 90,426.52, 124,787.96 and 50,140.32 is: 69,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,426.52 : 124,787.96 = 50,140.32 : x
  2. Step 2: Convert to fraction form
    90,426.52/124,787.96 = 50,140.32/x
  3. Step 3: Cross multiply
    90,426.52x = 124,787.96 × 50,140.32
  4. Step 4: Simplify right side
    90,426.52x = 6,256,908,246.55
  5. Step 5: Solve for x
    x = 6,256,908,246.55/90,426.52
  6. Step 6: Final answer
    x = 69,193.29

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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.