Home / 90,490.41-124,871.13-50,203.35

Finding the Fourth Proportional to 90,490.41, 124,871.13 and 50,203.35

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Solution

The fourth proportional to 90,490.41, 124,871.13 and 50,203.35 is: 69,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,490.41 : 124,871.13 = 50,203.35 : x
  2. Step 2: Convert to fraction form
    90,490.41/124,871.13 = 50,203.35/x
  3. Step 3: Cross multiply
    90,490.41x = 124,871.13 × 50,203.35
  4. Step 4: Simplify right side
    90,490.41x = 6,268,949,044.29
  5. Step 5: Solve for x
    x = 6,268,949,044.29/90,490.41
  6. Step 6: Final answer
    x = 69,277.50

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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.