Home / 53,513.15-73,897.79-40,061.05

Finding the Fourth Proportional to 53,513.15, 73,897.79 and 40,061.05

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Solution

The fourth proportional to 53,513.15, 73,897.79 and 40,061.05 is: 55,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,513.15 : 73,897.79 = 40,061.05 : x
  2. Step 2: Convert to fraction form
    53,513.15/73,897.79 = 40,061.05/x
  3. Step 3: Cross multiply
    53,513.15x = 73,897.79 × 40,061.05
  4. Step 4: Simplify right side
    53,513.15x = 2,960,423,060.08
  5. Step 5: Solve for x
    x = 2,960,423,060.08/53,513.15
  6. Step 6: Final answer
    x = 55,321.41

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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.