Home / 85,577.95-128,326.42-50,049.55

Finding the Fourth Proportional to 85,577.95, 128,326.42 and 50,049.55

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Solution

The fourth proportional to 85,577.95, 128,326.42 and 50,049.55 is: 75,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,577.95 : 128,326.42 = 50,049.55 : x
  2. Step 2: Convert to fraction form
    85,577.95/128,326.42 = 50,049.55/x
  3. Step 3: Cross multiply
    85,577.95x = 128,326.42 × 50,049.55
  4. Step 4: Simplify right side
    85,577.95x = 6,422,679,574.11
  5. Step 5: Solve for x
    x = 6,422,679,574.11/85,577.95
  6. Step 6: Final answer
    x = 75,050.64

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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.