Home / 65,721.70-98,582.55-48,009.70

Finding the Fourth Proportional to 65,721.70, 98,582.55 and 48,009.70

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Solution

The fourth proportional to 65,721.70, 98,582.55 and 48,009.70 is: 72,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721.70 : 98,582.55 = 48,009.70 : x
  2. Step 2: Convert to fraction form
    65,721.70/98,582.55 = 48,009.70/x
  3. Step 3: Cross multiply
    65,721.70x = 98,582.55 × 48,009.70
  4. Step 4: Simplify right side
    65,721.70x = 4,732,918,650.74
  5. Step 5: Solve for x
    x = 4,732,918,650.74/65,721.70
  6. Step 6: Final answer
    x = 72,014.55

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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.