Home / 56,864.88-78,487.92-32,988.51

Finding the Fourth Proportional to 56,864.88, 78,487.92 and 32,988.51

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Solution

The fourth proportional to 56,864.88, 78,487.92 and 32,988.51 is: 45,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,864.88 : 78,487.92 = 32,988.51 : x
  2. Step 2: Convert to fraction form
    56,864.88/78,487.92 = 32,988.51/x
  3. Step 3: Cross multiply
    56,864.88x = 78,487.92 × 32,988.51
  4. Step 4: Simplify right side
    56,864.88x = 2,589,199,533.80
  5. Step 5: Solve for x
    x = 2,589,199,533.80/56,864.88
  6. Step 6: Final answer
    x = 45,532.49

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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.