Home / 88,966.96-122,912.30-74,601.43

Finding the Fourth Proportional to 88,966.96, 122,912.30 and 74,601.43

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Solution

The fourth proportional to 88,966.96, 122,912.30 and 74,601.43 is: 103,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,966.96 : 122,912.30 = 74,601.43 : x
  2. Step 2: Convert to fraction form
    88,966.96/122,912.30 = 74,601.43/x
  3. Step 3: Cross multiply
    88,966.96x = 122,912.30 × 74,601.43
  4. Step 4: Simplify right side
    88,966.96x = 9,169,433,223.81
  5. Step 5: Solve for x
    x = 9,169,433,223.81/88,966.96
  6. Step 6: Final answer
    x = 103,065.60

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1.5x scale

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.