Home / 74,528.86-111,836.35-39,468.52

Finding the Fourth Proportional to 74,528.86, 111,836.35 and 39,468.52

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Solution

The fourth proportional to 74,528.86, 111,836.35 and 39,468.52 is: 59,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.86 : 111,836.35 = 39,468.52 : x
  2. Step 2: Convert to fraction form
    74,528.86/111,836.35 = 39,468.52/x
  3. Step 3: Cross multiply
    74,528.86x = 111,836.35 × 39,468.52
  4. Step 4: Simplify right side
    74,528.86x = 4,414,014,554.74
  5. Step 5: Solve for x
    x = 4,414,014,554.74/74,528.86
  6. Step 6: Final answer
    x = 59,225.58

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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.