Home / 65,920.08-90,956.88-53,322.96

Finding the Fourth Proportional to 65,920.08, 90,956.88 and 53,322.96

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Solution

The fourth proportional to 65,920.08, 90,956.88 and 53,322.96 is: 73,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,920.08 : 90,956.88 = 53,322.96 : x
  2. Step 2: Convert to fraction form
    65,920.08/90,956.88 = 53,322.96/x
  3. Step 3: Cross multiply
    65,920.08x = 90,956.88 × 53,322.96
  4. Step 4: Simplify right side
    65,920.08x = 4,850,090,073.96
  5. Step 5: Solve for x
    x = 4,850,090,073.96/65,920.08
  6. Step 6: Final answer
    x = 73,575.31

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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.