Home / 67,471.48-93,111.80-43,639.66

Finding the Fourth Proportional to 67,471.48, 93,111.80 and 43,639.66

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Solution

The fourth proportional to 67,471.48, 93,111.80 and 43,639.66 is: 60,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,471.48 : 93,111.80 = 43,639.66 : x
  2. Step 2: Convert to fraction form
    67,471.48/93,111.80 = 43,639.66/x
  3. Step 3: Cross multiply
    67,471.48x = 93,111.80 × 43,639.66
  4. Step 4: Simplify right side
    67,471.48x = 4,063,367,192.18
  5. Step 5: Solve for x
    x = 4,063,367,192.18/67,471.48
  6. Step 6: Final answer
    x = 60,223.48

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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.