Home / 100,621.80-150,955.38-34,058.16

Finding the Fourth Proportional to 100,621.80, 150,955.38 and 34,058.16

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Solution

The fourth proportional to 100,621.80, 150,955.38 and 34,058.16 is: 51,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,621.80 : 150,955.38 = 34,058.16 : x
  2. Step 2: Convert to fraction form
    100,621.80/150,955.38 = 34,058.16/x
  3. Step 3: Cross multiply
    100,621.80x = 150,955.38 × 34,058.16
  4. Step 4: Simplify right side
    100,621.80x = 5,141,262,484.90
  5. Step 5: Solve for x
    x = 5,141,262,484.90/100,621.80
  6. Step 6: Final answer
    x = 51,094.92

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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.