Home / 82,019.18-113,187.66-45,719.66

Finding the Fourth Proportional to 82,019.18, 113,187.66 and 45,719.66

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Solution

The fourth proportional to 82,019.18, 113,187.66 and 45,719.66 is: 63,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,019.18 : 113,187.66 = 45,719.66 : x
  2. Step 2: Convert to fraction form
    82,019.18/113,187.66 = 45,719.66/x
  3. Step 3: Cross multiply
    82,019.18x = 113,187.66 × 45,719.66
  4. Step 4: Simplify right side
    82,019.18x = 5,174,901,331.40
  5. Step 5: Solve for x
    x = 5,174,901,331.40/82,019.18
  6. Step 6: Final answer
    x = 63,093.80

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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.