Home / 56,858.13-78,463.35-32,988.92

Finding the Fourth Proportional to 56,858.13, 78,463.35 and 32,988.92

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Solution

The fourth proportional to 56,858.13, 78,463.35 and 32,988.92 is: 45,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,858.13 : 78,463.35 = 32,988.92 : x
  2. Step 2: Convert to fraction form
    56,858.13/78,463.35 = 32,988.92/x
  3. Step 3: Cross multiply
    56,858.13x = 78,463.35 × 32,988.92
  4. Step 4: Simplify right side
    56,858.13x = 2,588,420,783.77
  5. Step 5: Solve for x
    x = 2,588,420,783.77/56,858.13
  6. Step 6: Final answer
    x = 45,524.20

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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.