Home / 53,133.22-79,502.97-39,103.61

Finding the Fourth Proportional to 53,133.22, 79,502.97 and 39,103.61

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Solution

The fourth proportional to 53,133.22, 79,502.97 and 39,103.61 is: 58,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,133.22 : 79,502.97 = 39,103.61 : x
  2. Step 2: Convert to fraction form
    53,133.22/79,502.97 = 39,103.61/x
  3. Step 3: Cross multiply
    53,133.22x = 79,502.97 × 39,103.61
  4. Step 4: Simplify right side
    53,133.22x = 3,108,852,937.20
  5. Step 5: Solve for x
    x = 3,108,852,937.20/53,133.22
  6. Step 6: Final answer
    x = 58,510.53

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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.