Home / 58,740.90-88,120.56-19,289.04

Finding the Fourth Proportional to 58,740.90, 88,120.56 and 19,289.04

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Solution

The fourth proportional to 58,740.90, 88,120.56 and 19,289.04 is: 28,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,740.90 : 88,120.56 = 19,289.04 : x
  2. Step 2: Convert to fraction form
    58,740.90/88,120.56 = 19,289.04/x
  3. Step 3: Cross multiply
    58,740.90x = 88,120.56 × 19,289.04
  4. Step 4: Simplify right side
    58,740.90x = 1,699,761,006.66
  5. Step 5: Solve for x
    x = 1,699,761,006.66/58,740.90
  6. Step 6: Final answer
    x = 28,936.58

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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.