Home / 77,701.16-107,244.58-49,401.32

Finding the Fourth Proportional to 77,701.16, 107,244.58 and 49,401.32

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Solution

The fourth proportional to 77,701.16, 107,244.58 and 49,401.32 is: 68,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,701.16 : 107,244.58 = 49,401.32 : x
  2. Step 2: Convert to fraction form
    77,701.16/107,244.58 = 49,401.32/x
  3. Step 3: Cross multiply
    77,701.16x = 107,244.58 × 49,401.32
  4. Step 4: Simplify right side
    77,701.16x = 5,298,023,814.85
  5. Step 5: Solve for x
    x = 5,298,023,814.85/77,701.16
  6. Step 6: Final answer
    x = 68,184.62

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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.