Home / 58,668.12-87,994.20-19,220.52

Finding the Fourth Proportional to 58,668.12, 87,994.20 and 19,220.52

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Solution

The fourth proportional to 58,668.12, 87,994.20 and 19,220.52 is: 28,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,668.12 : 87,994.20 = 19,220.52 : x
  2. Step 2: Convert to fraction form
    58,668.12/87,994.20 = 19,220.52/x
  3. Step 3: Cross multiply
    58,668.12x = 87,994.20 × 19,220.52
  4. Step 4: Simplify right side
    58,668.12x = 1,691,294,280.98
  5. Step 5: Solve for x
    x = 1,691,294,280.98/58,668.12
  6. Step 6: Final answer
    x = 28,828.17

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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.