Home / 56,598.72-78,115.91-32,739.90

Finding the Fourth Proportional to 56,598.72, 78,115.91 and 32,739.90

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Solution

The fourth proportional to 56,598.72, 78,115.91 and 32,739.90 is: 45,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,598.72 : 78,115.91 = 32,739.90 : x
  2. Step 2: Convert to fraction form
    56,598.72/78,115.91 = 32,739.90/x
  3. Step 3: Cross multiply
    56,598.72x = 78,115.91 × 32,739.90
  4. Step 4: Simplify right side
    56,598.72x = 2,557,506,918.11
  5. Step 5: Solve for x
    x = 2,557,506,918.11/56,598.72
  6. Step 6: Final answer
    x = 45,186.66

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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.