Home / 118,705.72-178,130.24-62,587.32

Finding the Fourth Proportional to 118,705.72, 178,130.24 and 62,587.32

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Solution

The fourth proportional to 118,705.72, 178,130.24 and 62,587.32 is: 93,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,705.72 : 178,130.24 = 62,587.32 : x
  2. Step 2: Convert to fraction form
    118,705.72/178,130.24 = 62,587.32/x
  3. Step 3: Cross multiply
    118,705.72x = 178,130.24 × 62,587.32
  4. Step 4: Simplify right side
    118,705.72x = 11,148,694,332.56
  5. Step 5: Solve for x
    x = 11,148,694,332.56/118,705.72
  6. Step 6: Final answer
    x = 93,918.76

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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.