Home / 82,745.14-114,188.79-45,019.66

Finding the Fourth Proportional to 82,745.14, 114,188.79 and 45,019.66

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Solution

The fourth proportional to 82,745.14, 114,188.79 and 45,019.66 is: 62,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,745.14 : 114,188.79 = 45,019.66 : x
  2. Step 2: Convert to fraction form
    82,745.14/114,188.79 = 45,019.66/x
  3. Step 3: Cross multiply
    82,745.14x = 114,188.79 × 45,019.66
  4. Step 4: Simplify right side
    82,745.14x = 5,140,740,501.61
  5. Step 5: Solve for x
    x = 5,140,740,501.61/82,745.14
  6. Step 6: Final answer
    x = 62,127.40

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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.