Home / 56,387.20-77,822.63-32,509.21

Finding the Fourth Proportional to 56,387.20, 77,822.63 and 32,509.21

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Solution

The fourth proportional to 56,387.20, 77,822.63 and 32,509.21 is: 44,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.20 : 77,822.63 = 32,509.21 : x
  2. Step 2: Convert to fraction form
    56,387.20/77,822.63 = 32,509.21/x
  3. Step 3: Cross multiply
    56,387.20x = 77,822.63 × 32,509.21
  4. Step 4: Simplify right side
    56,387.20x = 2,529,952,058.88
  5. Step 5: Solve for x
    x = 2,529,952,058.88/56,387.20
  6. Step 6: Final answer
    x = 44,867.49

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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.