Home / 74,287.08-111,396.06-39,217.32

Finding the Fourth Proportional to 74,287.08, 111,396.06 and 39,217.32

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Solution

The fourth proportional to 74,287.08, 111,396.06 and 39,217.32 is: 58,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,287.08 : 111,396.06 = 39,217.32 : x
  2. Step 2: Convert to fraction form
    74,287.08/111,396.06 = 39,217.32/x
  3. Step 3: Cross multiply
    74,287.08x = 111,396.06 × 39,217.32
  4. Step 4: Simplify right side
    74,287.08x = 4,368,654,931.76
  5. Step 5: Solve for x
    x = 4,368,654,931.76/74,287.08
  6. Step 6: Final answer
    x = 58,807.74

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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.