Home / 78,521.32-108,364.26-44,998.12

Finding the Fourth Proportional to 78,521.32, 108,364.26 and 44,998.12

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Solution

The fourth proportional to 78,521.32, 108,364.26 and 44,998.12 is: 62,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,521.32 : 108,364.26 = 44,998.12 : x
  2. Step 2: Convert to fraction form
    78,521.32/108,364.26 = 44,998.12/x
  3. Step 3: Cross multiply
    78,521.32x = 108,364.26 × 44,998.12
  4. Step 4: Simplify right side
    78,521.32x = 4,876,187,975.19
  5. Step 5: Solve for x
    x = 4,876,187,975.19/78,521.32
  6. Step 6: Final answer
    x = 62,100.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.