Home / 56,511.88-78,000.54-32,652.40

Finding the Fourth Proportional to 56,511.88, 78,000.54 and 32,652.40

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Solution

The fourth proportional to 56,511.88, 78,000.54 and 32,652.40 is: 45,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,511.88 : 78,000.54 = 32,652.40 : x
  2. Step 2: Convert to fraction form
    56,511.88/78,000.54 = 32,652.40/x
  3. Step 3: Cross multiply
    56,511.88x = 78,000.54 × 32,652.40
  4. Step 4: Simplify right side
    56,511.88x = 2,546,904,832.30
  5. Step 5: Solve for x
    x = 2,546,904,832.30/56,511.88
  6. Step 6: Final answer
    x = 45,068.49

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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.