Home / 90,114.08-124,352.40-49,825.42

Finding the Fourth Proportional to 90,114.08, 124,352.40 and 49,825.42

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Solution

The fourth proportional to 90,114.08, 124,352.40 and 49,825.42 is: 68,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,114.08 : 124,352.40 = 49,825.42 : x
  2. Step 2: Convert to fraction form
    90,114.08/124,352.40 = 49,825.42/x
  3. Step 3: Cross multiply
    90,114.08x = 124,352.40 × 49,825.42
  4. Step 4: Simplify right side
    90,114.08x = 6,195,910,558.01
  5. Step 5: Solve for x
    x = 6,195,910,558.01/90,114.08
  6. Step 6: Final answer
    x = 68,756.30

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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.