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Finding the Fourth Proportional to 60,752.36, 91,212.48 and 41,986.16

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Solution

The fourth proportional to 60,752.36, 91,212.48 and 41,986.16 is: 63,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,752.36 : 91,212.48 = 41,986.16 : x
  2. Step 2: Convert to fraction form
    60,752.36/91,212.48 = 41,986.16/x
  3. Step 3: Cross multiply
    60,752.36x = 91,212.48 × 41,986.16
  4. Step 4: Simplify right side
    60,752.36x = 3,829,661,779.28
  5. Step 5: Solve for x
    x = 3,829,661,779.28/60,752.36
  6. Step 6: Final answer
    x = 63,037.25

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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.