Home / 82,860.09-114,346.87-45,134.34

Finding the Fourth Proportional to 82,860.09, 114,346.87 and 45,134.34

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Solution

The fourth proportional to 82,860.09, 114,346.87 and 45,134.34 is: 62,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.09 : 114,346.87 = 45,134.34 : x
  2. Step 2: Convert to fraction form
    82,860.09/114,346.87 = 45,134.34/x
  3. Step 3: Cross multiply
    82,860.09x = 114,346.87 × 45,134.34
  4. Step 4: Simplify right side
    82,860.09x = 5,160,970,508.52
  5. Step 5: Solve for x
    x = 5,160,970,508.52/82,860.09
  6. Step 6: Final answer
    x = 62,285.36

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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.