Home / 90,050.08-124,268.32-49,766.56

Finding the Fourth Proportional to 90,050.08, 124,268.32 and 49,766.56

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Solution

The fourth proportional to 90,050.08, 124,268.32 and 49,766.56 is: 68,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,050.08 : 124,268.32 = 49,766.56 : x
  2. Step 2: Convert to fraction form
    90,050.08/124,268.32 = 49,766.56/x
  3. Step 3: Cross multiply
    90,050.08x = 124,268.32 × 49,766.56
  4. Step 4: Simplify right side
    90,050.08x = 6,184,406,803.38
  5. Step 5: Solve for x
    x = 6,184,406,803.38/90,050.08
  6. Step 6: Final answer
    x = 68,677.42

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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.