Home / 73,045.11-109,584.09-23,128.20

Finding the Fourth Proportional to 73,045.11, 109,584.09 and 23,128.20

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Solution

The fourth proportional to 73,045.11, 109,584.09 and 23,128.20 is: 34,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,045.11 : 109,584.09 = 23,128.20 : x
  2. Step 2: Convert to fraction form
    73,045.11/109,584.09 = 23,128.20/x
  3. Step 3: Cross multiply
    73,045.11x = 109,584.09 × 23,128.20
  4. Step 4: Simplify right side
    73,045.11x = 2,534,482,750.34
  5. Step 5: Solve for x
    x = 2,534,482,750.34/73,045.11
  6. Step 6: Final answer
    x = 34,697.50

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1.5x scale

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.