Home / 118,678.04-178,016.60-48,557.33

Finding the Fourth Proportional to 118,678.04, 178,016.60 and 48,557.33

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Solution

The fourth proportional to 118,678.04, 178,016.60 and 48,557.33 is: 72,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,678.04 : 178,016.60 = 48,557.33 : x
  2. Step 2: Convert to fraction form
    118,678.04/178,016.60 = 48,557.33/x
  3. Step 3: Cross multiply
    118,678.04x = 178,016.60 × 48,557.33
  4. Step 4: Simplify right side
    118,678.04x = 8,644,009,901.60
  5. Step 5: Solve for x
    x = 8,644,009,901.60/118,678.04
  6. Step 6: Final answer
    x = 72,835.80

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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.