Home / 50,077.95-75,116.77-12,641.01

Finding the Fourth Proportional to 50,077.95, 75,116.77 and 12,641.01

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Solution

The fourth proportional to 50,077.95, 75,116.77 and 12,641.01 is: 18,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,077.95 : 75,116.77 = 12,641.01 : x
  2. Step 2: Convert to fraction form
    50,077.95/75,116.77 = 12,641.01/x
  3. Step 3: Cross multiply
    50,077.95x = 75,116.77 × 12,641.01
  4. Step 4: Simplify right side
    50,077.95x = 949,551,949.98
  5. Step 5: Solve for x
    x = 949,551,949.98/50,077.95
  6. Step 6: Final answer
    x = 18,961.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.