Home / 102,503.16-153,761.22-43,331.04

Finding the Fourth Proportional to 102,503.16, 153,761.22 and 43,331.04

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Solution

The fourth proportional to 102,503.16, 153,761.22 and 43,331.04 is: 64,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,503.16 : 153,761.22 = 43,331.04 : x
  2. Step 2: Convert to fraction form
    102,503.16/153,761.22 = 43,331.04/x
  3. Step 3: Cross multiply
    102,503.16x = 153,761.22 × 43,331.04
  4. Step 4: Simplify right side
    102,503.16x = 6,662,633,574.27
  5. Step 5: Solve for x
    x = 6,662,633,574.27/102,503.16
  6. Step 6: Final answer
    x = 64,999.30

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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.