Home / 65,756.16-98,658.81-34,146.45

Finding the Fourth Proportional to 65,756.16, 98,658.81 and 34,146.45

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Solution

The fourth proportional to 65,756.16, 98,658.81 and 34,146.45 is: 51,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,756.16 : 98,658.81 = 34,146.45 : x
  2. Step 2: Convert to fraction form
    65,756.16/98,658.81 = 34,146.45/x
  3. Step 3: Cross multiply
    65,756.16x = 98,658.81 × 34,146.45
  4. Step 4: Simplify right side
    65,756.16x = 3,368,848,122.72
  5. Step 5: Solve for x
    x = 3,368,848,122.72/65,756.16
  6. Step 6: Final answer
    x = 51,232.43

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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.