Home / 87,008.08-120,071.16-49,282.33

Finding the Fourth Proportional to 87,008.08, 120,071.16 and 49,282.33

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Solution

The fourth proportional to 87,008.08, 120,071.16 and 49,282.33 is: 68,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,008.08 : 120,071.16 = 49,282.33 : x
  2. Step 2: Convert to fraction form
    87,008.08/120,071.16 = 49,282.33/x
  3. Step 3: Cross multiply
    87,008.08x = 120,071.16 × 49,282.33
  4. Step 4: Simplify right side
    87,008.08x = 5,917,386,530.60
  5. Step 5: Solve for x
    x = 5,917,386,530.60/87,008.08
  6. Step 6: Final answer
    x = 68,009.62

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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.