Home / 75,965.76-104,823.72-45,750.60

Finding the Fourth Proportional to 75,965.76, 104,823.72 and 45,750.60

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Solution

The fourth proportional to 75,965.76, 104,823.72 and 45,750.60 is: 63,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,965.76 : 104,823.72 = 45,750.60 : x
  2. Step 2: Convert to fraction form
    75,965.76/104,823.72 = 45,750.60/x
  3. Step 3: Cross multiply
    75,965.76x = 104,823.72 × 45,750.60
  4. Step 4: Simplify right side
    75,965.76x = 4,795,748,084.23
  5. Step 5: Solve for x
    x = 4,795,748,084.23/75,965.76
  6. Step 6: Final answer
    x = 63,130.39

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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.