Home / 53,424.81-80,066.43-28,411.00

Finding the Fourth Proportional to 53,424.81, 80,066.43 and 28,411.00

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Solution

The fourth proportional to 53,424.81, 80,066.43 and 28,411.00 is: 42,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,424.81 : 80,066.43 = 28,411.00 : x
  2. Step 2: Convert to fraction form
    53,424.81/80,066.43 = 28,411.00/x
  3. Step 3: Cross multiply
    53,424.81x = 80,066.43 × 28,411.00
  4. Step 4: Simplify right side
    53,424.81x = 2,274,767,142.56
  5. Step 5: Solve for x
    x = 2,274,767,142.56/53,424.81
  6. Step 6: Final answer
    x = 42,578.85

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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.