Home / 109,653.35-151,322.87-64,332.11

Finding the Fourth Proportional to 109,653.35, 151,322.87 and 64,332.11

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Solution

The fourth proportional to 109,653.35, 151,322.87 and 64,332.11 is: 88,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,653.35 : 151,322.87 = 64,332.11 : x
  2. Step 2: Convert to fraction form
    109,653.35/151,322.87 = 64,332.11/x
  3. Step 3: Cross multiply
    109,653.35x = 151,322.87 × 64,332.11
  4. Step 4: Simplify right side
    109,653.35x = 9,734,919,196.70
  5. Step 5: Solve for x
    x = 9,734,919,196.70/109,653.35
  6. Step 6: Final answer
    x = 88,779.04

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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.