Home / 105,503.72-145,591.48-60,196.36

Finding the Fourth Proportional to 105,503.72, 145,591.48 and 60,196.36

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Solution

The fourth proportional to 105,503.72, 145,591.48 and 60,196.36 is: 83,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,503.72 : 145,591.48 = 60,196.36 : x
  2. Step 2: Convert to fraction form
    105,503.72/145,591.48 = 60,196.36/x
  3. Step 3: Cross multiply
    105,503.72x = 145,591.48 × 60,196.36
  4. Step 4: Simplify right side
    105,503.72x = 8,764,077,143.01
  5. Step 5: Solve for x
    x = 8,764,077,143.01/105,503.72
  6. Step 6: Final answer
    x = 83,068.89

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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.