Home / 76,623.70-114,967.95-48,565.30

Finding the Fourth Proportional to 76,623.70, 114,967.95 and 48,565.30

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Solution

The fourth proportional to 76,623.70, 114,967.95 and 48,565.30 is: 72,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623.70 : 114,967.95 = 48,565.30 : x
  2. Step 2: Convert to fraction form
    76,623.70/114,967.95 = 48,565.30/x
  3. Step 3: Cross multiply
    76,623.70x = 114,967.95 × 48,565.30
  4. Step 4: Simplify right side
    76,623.70x = 5,583,452,982.14
  5. Step 5: Solve for x
    x = 5,583,452,982.14/76,623.70
  6. Step 6: Final answer
    x = 72,868.49

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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.