Home / 53,875.13-80,812.69-16,939.13

Finding the Fourth Proportional to 53,875.13, 80,812.69 and 16,939.13

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Solution

The fourth proportional to 53,875.13, 80,812.69 and 16,939.13 is: 25,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,875.13 : 80,812.69 = 16,939.13 : x
  2. Step 2: Convert to fraction form
    53,875.13/80,812.69 = 16,939.13/x
  3. Step 3: Cross multiply
    53,875.13x = 80,812.69 × 16,939.13
  4. Step 4: Simplify right side
    53,875.13x = 1,368,896,215.15
  5. Step 5: Solve for x
    x = 1,368,896,215.15/53,875.13
  6. Step 6: Final answer
    x = 25,408.69

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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.