Home / 66,058.07-99,103.56-19,310.94

Finding the Fourth Proportional to 66,058.07, 99,103.56 and 19,310.94

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Solution

The fourth proportional to 66,058.07, 99,103.56 and 19,310.94 is: 28,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,058.07 : 99,103.56 = 19,310.94 : x
  2. Step 2: Convert to fraction form
    66,058.07/99,103.56 = 19,310.94/x
  3. Step 3: Cross multiply
    66,058.07x = 99,103.56 × 19,310.94
  4. Step 4: Simplify right side
    66,058.07x = 1,913,782,937.15
  5. Step 5: Solve for x
    x = 1,913,782,937.15/66,058.07
  6. Step 6: Final answer
    x = 28,971.22

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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.