Home / 94,882.02-142,346.37-66,856.78

Finding the Fourth Proportional to 94,882.02, 142,346.37 and 66,856.78

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Solution

The fourth proportional to 94,882.02, 142,346.37 and 66,856.78 is: 100,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,882.02 : 142,346.37 = 66,856.78 : x
  2. Step 2: Convert to fraction form
    94,882.02/142,346.37 = 66,856.78/x
  3. Step 3: Cross multiply
    94,882.02x = 142,346.37 × 66,856.78
  4. Step 4: Simplify right side
    94,882.02x = 9,516,820,371.53
  5. Step 5: Solve for x
    x = 9,516,820,371.53/94,882.02
  6. Step 6: Final answer
    x = 100,301.62

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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.