Home / 107,324.10-148,030.32-66,475.02

Finding the Fourth Proportional to 107,324.10, 148,030.32 and 66,475.02

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Solution

The fourth proportional to 107,324.10, 148,030.32 and 66,475.02 is: 91,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,324.10 : 148,030.32 = 66,475.02 : x
  2. Step 2: Convert to fraction form
    107,324.10/148,030.32 = 66,475.02/x
  3. Step 3: Cross multiply
    107,324.10x = 148,030.32 × 66,475.02
  4. Step 4: Simplify right side
    107,324.10x = 9,840,318,482.61
  5. Step 5: Solve for x
    x = 9,840,318,482.61/107,324.10
  6. Step 6: Final answer
    x = 91,687.87

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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.