Home / 77,647.12-116,618.31-48,270.24

Finding the Fourth Proportional to 77,647.12, 116,618.31 and 48,270.24

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Solution

The fourth proportional to 77,647.12, 116,618.31 and 48,270.24 is: 72,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,647.12 : 116,618.31 = 48,270.24 : x
  2. Step 2: Convert to fraction form
    77,647.12/116,618.31 = 48,270.24/x
  3. Step 3: Cross multiply
    77,647.12x = 116,618.31 × 48,270.24
  4. Step 4: Simplify right side
    77,647.12x = 5,629,193,812.09
  5. Step 5: Solve for x
    x = 5,629,193,812.09/77,647.12
  6. Step 6: Final answer
    x = 72,497.14

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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.