Home / 78,935.04-118,399.68-23,529.60

Finding the Fourth Proportional to 78,935.04, 118,399.68 and 23,529.60

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Solution

The fourth proportional to 78,935.04, 118,399.68 and 23,529.60 is: 35,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,935.04 : 118,399.68 = 23,529.60 : x
  2. Step 2: Convert to fraction form
    78,935.04/118,399.68 = 23,529.60/x
  3. Step 3: Cross multiply
    78,935.04x = 118,399.68 × 23,529.60
  4. Step 4: Simplify right side
    78,935.04x = 2,785,897,110.53
  5. Step 5: Solve for x
    x = 2,785,897,110.53/78,935.04
  6. Step 6: Final answer
    x = 35,293.54

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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.