Home / 53,312.13-79,920.68-27,003.33

Finding the Fourth Proportional to 53,312.13, 79,920.68 and 27,003.33

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Solution

The fourth proportional to 53,312.13, 79,920.68 and 27,003.33 is: 40,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312.13 : 79,920.68 = 27,003.33 : x
  2. Step 2: Convert to fraction form
    53,312.13/79,920.68 = 27,003.33/x
  3. Step 3: Cross multiply
    53,312.13x = 79,920.68 × 27,003.33
  4. Step 4: Simplify right side
    53,312.13x = 2,158,124,360.85
  5. Step 5: Solve for x
    x = 2,158,124,360.85/53,312.13
  6. Step 6: Final answer
    x = 40,480.93

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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.