Home / 75,969.02-113,875.76-38,459.54

Finding the Fourth Proportional to 75,969.02, 113,875.76 and 38,459.54

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Solution

The fourth proportional to 75,969.02, 113,875.76 and 38,459.54 is: 57,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,969.02 : 113,875.76 = 38,459.54 : x
  2. Step 2: Convert to fraction form
    75,969.02/113,875.76 = 38,459.54/x
  3. Step 3: Cross multiply
    75,969.02x = 113,875.76 × 38,459.54
  4. Step 4: Simplify right side
    75,969.02x = 4,379,609,346.75
  5. Step 5: Solve for x
    x = 4,379,609,346.75/75,969.02
  6. Step 6: Final answer
    x = 57,649.94

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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.