Home / 65,425.74-98,144.58-21,041.52

Finding the Fourth Proportional to 65,425.74, 98,144.58 and 21,041.52

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Solution

The fourth proportional to 65,425.74, 98,144.58 and 21,041.52 is: 31,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,425.74 : 98,144.58 = 21,041.52 : x
  2. Step 2: Convert to fraction form
    65,425.74/98,144.58 = 21,041.52/x
  3. Step 3: Cross multiply
    65,425.74x = 98,144.58 × 21,041.52
  4. Step 4: Simplify right side
    65,425.74x = 2,065,111,142.96
  5. Step 5: Solve for x
    x = 2,065,111,142.96/65,425.74
  6. Step 6: Final answer
    x = 31,564.20

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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.