Home / 89,240.83-133,818.18-51,810.32

Finding the Fourth Proportional to 89,240.83, 133,818.18 and 51,810.32

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Solution

The fourth proportional to 89,240.83, 133,818.18 and 51,810.32 is: 77,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,240.83 : 133,818.18 = 51,810.32 : x
  2. Step 2: Convert to fraction form
    89,240.83/133,818.18 = 51,810.32/x
  3. Step 3: Cross multiply
    89,240.83x = 133,818.18 × 51,810.32
  4. Step 4: Simplify right side
    89,240.83x = 6,933,162,727.62
  5. Step 5: Solve for x
    x = 6,933,162,727.62/89,240.83
  6. Step 6: Final answer
    x = 77,690.48

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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.