Home / 118,385.12-177,665.04-56,055.52

Finding the Fourth Proportional to 118,385.12, 177,665.04 and 56,055.52

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Solution

The fourth proportional to 118,385.12, 177,665.04 and 56,055.52 is: 84,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,385.12 : 177,665.04 = 56,055.52 : x
  2. Step 2: Convert to fraction form
    118,385.12/177,665.04 = 56,055.52/x
  3. Step 3: Cross multiply
    118,385.12x = 177,665.04 × 56,055.52
  4. Step 4: Simplify right side
    118,385.12x = 9,959,106,203.02
  5. Step 5: Solve for x
    x = 9,959,106,203.02/118,385.12
  6. Step 6: Final answer
    x = 84,124.65

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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.