Home / 82,864.24-114,353.08-45,138.48

Finding the Fourth Proportional to 82,864.24, 114,353.08 and 45,138.48

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Solution

The fourth proportional to 82,864.24, 114,353.08 and 45,138.48 is: 62,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,864.24 : 114,353.08 = 45,138.48 : x
  2. Step 2: Convert to fraction form
    82,864.24/114,353.08 = 45,138.48/x
  3. Step 3: Cross multiply
    82,864.24x = 114,353.08 × 45,138.48
  4. Step 4: Simplify right side
    82,864.24x = 5,161,724,214.52
  5. Step 5: Solve for x
    x = 5,161,724,214.52/82,864.24
  6. Step 6: Final answer
    x = 62,291.34

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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.