Home / 88,821.51-133,166.39-53,752.83

Finding the Fourth Proportional to 88,821.51, 133,166.39 and 53,752.83

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Solution

The fourth proportional to 88,821.51, 133,166.39 and 53,752.83 is: 80,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,821.51 : 133,166.39 = 53,752.83 : x
  2. Step 2: Convert to fraction form
    88,821.51/133,166.39 = 53,752.83/x
  3. Step 3: Cross multiply
    88,821.51x = 133,166.39 × 53,752.83
  4. Step 4: Simplify right side
    88,821.51x = 7,158,070,054.62
  5. Step 5: Solve for x
    x = 7,158,070,054.62/88,821.51
  6. Step 6: Final answer
    x = 80,589.38

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1.5x scale

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.