Home / 90,756.48-136,162.38-46,414.38

Finding the Fourth Proportional to 90,756.48, 136,162.38 and 46,414.38

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Solution

The fourth proportional to 90,756.48, 136,162.38 and 46,414.38 is: 69,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,756.48 : 136,162.38 = 46,414.38 : x
  2. Step 2: Convert to fraction form
    90,756.48/136,162.38 = 46,414.38/x
  3. Step 3: Cross multiply
    90,756.48x = 136,162.38 × 46,414.38
  4. Step 4: Simplify right side
    90,756.48x = 6,319,892,447.02
  5. Step 5: Solve for x
    x = 6,319,892,447.02/90,756.48
  6. Step 6: Final answer
    x = 69,635.72

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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.