Home / 74,428.10-111,686.41-27,046.88

Finding the Fourth Proportional to 74,428.10, 111,686.41 and 27,046.88

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Solution

The fourth proportional to 74,428.10, 111,686.41 and 27,046.88 is: 40,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.10 : 111,686.41 = 27,046.88 : x
  2. Step 2: Convert to fraction form
    74,428.10/111,686.41 = 27,046.88/x
  3. Step 3: Cross multiply
    74,428.10x = 111,686.41 × 27,046.88
  4. Step 4: Simplify right side
    74,428.10x = 3,020,768,823.10
  5. Step 5: Solve for x
    x = 3,020,768,823.10/74,428.10
  6. Step 6: Final answer
    x = 40,586.40

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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.