Home / 58,212.13-87,320.13-45,550.21

Finding the Fourth Proportional to 58,212.13, 87,320.13 and 45,550.21

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Solution

The fourth proportional to 58,212.13, 87,320.13 and 45,550.21 is: 68,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,212.13 : 87,320.13 = 45,550.21 : x
  2. Step 2: Convert to fraction form
    58,212.13/87,320.13 = 45,550.21/x
  3. Step 3: Cross multiply
    58,212.13x = 87,320.13 × 45,550.21
  4. Step 4: Simplify right side
    58,212.13x = 3,977,450,258.73
  5. Step 5: Solve for x
    x = 3,977,450,258.73/58,212.13
  6. Step 6: Final answer
    x = 68,326.83

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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.