Home / 65,905.75-98,838.18-23,780.35

Finding the Fourth Proportional to 65,905.75, 98,838.18 and 23,780.35

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Solution

The fourth proportional to 65,905.75, 98,838.18 and 23,780.35 is: 35,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,905.75 : 98,838.18 = 23,780.35 : x
  2. Step 2: Convert to fraction form
    65,905.75/98,838.18 = 23,780.35/x
  3. Step 3: Cross multiply
    65,905.75x = 98,838.18 × 23,780.35
  4. Step 4: Simplify right side
    65,905.75x = 2,350,406,513.76
  5. Step 5: Solve for x
    x = 2,350,406,513.76/65,905.75
  6. Step 6: Final answer
    x = 35,663.15

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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.