Home / 109,239.45-163,881.65-46,059.76

Finding the Fourth Proportional to 109,239.45, 163,881.65 and 46,059.76

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Solution

The fourth proportional to 109,239.45, 163,881.65 and 46,059.76 is: 69,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,239.45 : 163,881.65 = 46,059.76 : x
  2. Step 2: Convert to fraction form
    109,239.45/163,881.65 = 46,059.76/x
  3. Step 3: Cross multiply
    109,239.45x = 163,881.65 × 46,059.76
  4. Step 4: Simplify right side
    109,239.45x = 7,548,349,049.33
  5. Step 5: Solve for x
    x = 7,548,349,049.33/109,239.45
  6. Step 6: Final answer
    x = 69,099.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.