Home / 102,128.60-153,192.96-32,013.38

Finding the Fourth Proportional to 102,128.60, 153,192.96 and 32,013.38

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Solution

The fourth proportional to 102,128.60, 153,192.96 and 32,013.38 is: 48,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,128.60 : 153,192.96 = 32,013.38 : x
  2. Step 2: Convert to fraction form
    102,128.60/153,192.96 = 32,013.38/x
  3. Step 3: Cross multiply
    102,128.60x = 153,192.96 × 32,013.38
  4. Step 4: Simplify right side
    102,128.60x = 4,904,223,675.84
  5. Step 5: Solve for x
    x = 4,904,223,675.84/102,128.60
  6. Step 6: Final answer
    x = 48,020.08

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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.