Home / 65,377.32-90,111.06-50,058.60

Finding the Fourth Proportional to 65,377.32, 90,111.06 and 50,058.60

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Solution

The fourth proportional to 65,377.32, 90,111.06 and 50,058.60 is: 68,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,377.32 : 90,111.06 = 50,058.60 : x
  2. Step 2: Convert to fraction form
    65,377.32/90,111.06 = 50,058.60/x
  3. Step 3: Cross multiply
    65,377.32x = 90,111.06 × 50,058.60
  4. Step 4: Simplify right side
    65,377.32x = 4,510,833,508.12
  5. Step 5: Solve for x
    x = 4,510,833,508.12/65,377.32
  6. Step 6: Final answer
    x = 68,996.92

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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.