Home / 125,096.16-187,663.68-42,009.60

Finding the Fourth Proportional to 125,096.16, 187,663.68 and 42,009.60

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Solution

The fourth proportional to 125,096.16, 187,663.68 and 42,009.60 is: 63,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,096.16 : 187,663.68 = 42,009.60 : x
  2. Step 2: Convert to fraction form
    125,096.16/187,663.68 = 42,009.60/x
  3. Step 3: Cross multiply
    125,096.16x = 187,663.68 × 42,009.60
  4. Step 4: Simplify right side
    125,096.16x = 7,883,676,131.33
  5. Step 5: Solve for x
    x = 7,883,676,131.33/125,096.16
  6. Step 6: Final answer
    x = 63,020.93

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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.