Home / 107,327.10-148,034.46-66,478.02

Finding the Fourth Proportional to 107,327.10, 148,034.46 and 66,478.02

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Solution

The fourth proportional to 107,327.10, 148,034.46 and 66,478.02 is: 91,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,327.10 : 148,034.46 = 66,478.02 : x
  2. Step 2: Convert to fraction form
    107,327.10/148,034.46 = 66,478.02/x
  3. Step 3: Cross multiply
    107,327.10x = 148,034.46 × 66,478.02
  4. Step 4: Simplify right side
    107,327.10x = 9,841,037,792.57
  5. Step 5: Solve for x
    x = 9,841,037,792.57/107,327.10
  6. Step 6: Final answer
    x = 91,692.01

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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.