Home / 74,434.10-111,521.55-48,125.30

Finding the Fourth Proportional to 74,434.10, 111,521.55 and 48,125.30

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Solution

The fourth proportional to 74,434.10, 111,521.55 and 48,125.30 is: 72,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,434.10 : 111,521.55 = 48,125.30 : x
  2. Step 2: Convert to fraction form
    74,434.10/111,521.55 = 48,125.30/x
  3. Step 3: Cross multiply
    74,434.10x = 111,521.55 × 48,125.30
  4. Step 4: Simplify right side
    74,434.10x = 5,367,008,050.22
  5. Step 5: Solve for x
    x = 5,367,008,050.22/74,434.10
  6. Step 6: Final answer
    x = 72,104.16

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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.