Home / 100,828.17-151,148.79-44,638.34

Finding the Fourth Proportional to 100,828.17, 151,148.79 and 44,638.34

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Solution

The fourth proportional to 100,828.17, 151,148.79 and 44,638.34 is: 66,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,828.17 : 151,148.79 = 44,638.34 : x
  2. Step 2: Convert to fraction form
    100,828.17/151,148.79 = 44,638.34/x
  3. Step 3: Cross multiply
    100,828.17x = 151,148.79 × 44,638.34
  4. Step 4: Simplify right side
    100,828.17x = 6,747,030,322.86
  5. Step 5: Solve for x
    x = 6,747,030,322.86/100,828.17
  6. Step 6: Final answer
    x = 66,916.12

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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.