Home / 56,747.79-78,316.47-32,874.86

Finding the Fourth Proportional to 56,747.79, 78,316.47 and 32,874.86

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Solution

The fourth proportional to 56,747.79, 78,316.47 and 32,874.86 is: 45,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,747.79 : 78,316.47 = 32,874.86 : x
  2. Step 2: Convert to fraction form
    56,747.79/78,316.47 = 32,874.86/x
  3. Step 3: Cross multiply
    56,747.79x = 78,316.47 × 32,874.86
  4. Step 4: Simplify right side
    56,747.79x = 2,574,643,182.74
  5. Step 5: Solve for x
    x = 2,574,643,182.74/56,747.79
  6. Step 6: Final answer
    x = 45,369.93

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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.