Home / 74,063.76-111,069.38-26,666.13

Finding the Fourth Proportional to 74,063.76, 111,069.38 and 26,666.13

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Solution

The fourth proportional to 74,063.76, 111,069.38 and 26,666.13 is: 39,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,063.76 : 111,069.38 = 26,666.13 : x
  2. Step 2: Convert to fraction form
    74,063.76/111,069.38 = 26,666.13/x
  3. Step 3: Cross multiply
    74,063.76x = 111,069.38 × 26,666.13
  4. Step 4: Simplify right side
    74,063.76x = 2,961,790,809.28
  5. Step 5: Solve for x
    x = 2,961,790,809.28/74,063.76
  6. Step 6: Final answer
    x = 39,989.75

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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.