Home / 104,938.74-157,349.79-42,536.34

Finding the Fourth Proportional to 104,938.74, 157,349.79 and 42,536.34

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Solution

The fourth proportional to 104,938.74, 157,349.79 and 42,536.34 is: 63,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.74 : 157,349.79 = 42,536.34 : x
  2. Step 2: Convert to fraction form
    104,938.74/157,349.79 = 42,536.34/x
  3. Step 3: Cross multiply
    104,938.74x = 157,349.79 × 42,536.34
  4. Step 4: Simplify right side
    104,938.74x = 6,693,084,166.37
  5. Step 5: Solve for x
    x = 6,693,084,166.37/104,938.74
  6. Step 6: Final answer
    x = 63,780.87

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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.