Home / 101,508.02-152,305.80-42,355.34

Finding the Fourth Proportional to 101,508.02, 152,305.80 and 42,355.34

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Solution

The fourth proportional to 101,508.02, 152,305.80 and 42,355.34 is: 63,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,508.02 : 152,305.80 = 42,355.34 : x
  2. Step 2: Convert to fraction form
    101,508.02/152,305.80 = 42,355.34/x
  3. Step 3: Cross multiply
    101,508.02x = 152,305.80 × 42,355.34
  4. Step 4: Simplify right side
    101,508.02x = 6,450,963,942.97
  5. Step 5: Solve for x
    x = 6,450,963,942.97/101,508.02
  6. Step 6: Final answer
    x = 63,551.27

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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.