Home / 56,956.08-78,606.08-47,379.05

Finding the Fourth Proportional to 56,956.08, 78,606.08 and 47,379.05

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Solution

The fourth proportional to 56,956.08, 78,606.08 and 47,379.05 is: 65,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,956.08 : 78,606.08 = 47,379.05 : x
  2. Step 2: Convert to fraction form
    56,956.08/78,606.08 = 47,379.05/x
  3. Step 3: Cross multiply
    56,956.08x = 78,606.08 × 47,379.05
  4. Step 4: Simplify right side
    56,956.08x = 3,724,281,394.62
  5. Step 5: Solve for x
    x = 3,724,281,394.62/56,956.08
  6. Step 6: Final answer
    x = 65,388.65

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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.