Home / 87,054.18-120,171.54-58,798.14

Finding the Fourth Proportional to 87,054.18, 120,171.54 and 58,798.14

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Solution

The fourth proportional to 87,054.18, 120,171.54 and 58,798.14 is: 81,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,054.18 : 120,171.54 = 58,798.14 : x
  2. Step 2: Convert to fraction form
    87,054.18/120,171.54 = 58,798.14/x
  3. Step 3: Cross multiply
    87,054.18x = 120,171.54 × 58,798.14
  4. Step 4: Simplify right side
    87,054.18x = 7,065,863,032.94
  5. Step 5: Solve for x
    x = 7,065,863,032.94/87,054.18
  6. Step 6: Final answer
    x = 81,166.27

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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.