Home / 89,532.81-133,967.93-54,014.72

Finding the Fourth Proportional to 89,532.81, 133,967.93 and 54,014.72

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Solution

The fourth proportional to 89,532.81, 133,967.93 and 54,014.72 is: 80,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,532.81 : 133,967.93 = 54,014.72 : x
  2. Step 2: Convert to fraction form
    89,532.81/133,967.93 = 54,014.72/x
  3. Step 3: Cross multiply
    89,532.81x = 133,967.93 × 54,014.72
  4. Step 4: Simplify right side
    89,532.81x = 7,236,240,227.93
  5. Step 5: Solve for x
    x = 7,236,240,227.93/89,532.81
  6. Step 6: Final answer
    x = 80,822.22

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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.