Home / 97,671.04-146,355-67,743.72

Finding the Fourth Proportional to 97,671.04, 146,355 and 67,743.72

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Solution

The fourth proportional to 97,671.04, 146,355 and 67,743.72 is: 101,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,671.04 : 146,355 = 67,743.72 : x
  2. Step 2: Convert to fraction form
    97,671.04/146,355 = 67,743.72/x
  3. Step 3: Cross multiply
    97,671.04x = 146,355 × 67,743.72
  4. Step 4: Simplify right side
    97,671.04x = 9,914,632,140.60
  5. Step 5: Solve for x
    x = 9,914,632,140.60/97,671.04
  6. Step 6: Final answer
    x = 101,510.46

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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.