Home / 66,317.36-99,483.15-28,370.57

Finding the Fourth Proportional to 66,317.36, 99,483.15 and 28,370.57

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Solution

The fourth proportional to 66,317.36, 99,483.15 and 28,370.57 is: 42,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,317.36 : 99,483.15 = 28,370.57 : x
  2. Step 2: Convert to fraction form
    66,317.36/99,483.15 = 28,370.57/x
  3. Step 3: Cross multiply
    66,317.36x = 99,483.15 × 28,370.57
  4. Step 4: Simplify right side
    66,317.36x = 2,822,393,173.48
  5. Step 5: Solve for x
    x = 2,822,393,173.48/66,317.36
  6. Step 6: Final answer
    x = 42,558.89

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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.