Home / 89,315.86-133,976.63-44,918.34

Finding the Fourth Proportional to 89,315.86, 133,976.63 and 44,918.34

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Solution

The fourth proportional to 89,315.86, 133,976.63 and 44,918.34 is: 67,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,315.86 : 133,976.63 = 44,918.34 : x
  2. Step 2: Convert to fraction form
    89,315.86/133,976.63 = 44,918.34/x
  3. Step 3: Cross multiply
    89,315.86x = 133,976.63 × 44,918.34
  4. Step 4: Simplify right side
    89,315.86x = 6,018,007,818.39
  5. Step 5: Solve for x
    x = 6,018,007,818.39/89,315.86
  6. Step 6: Final answer
    x = 67,378.94

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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.