Home / 66,302.18-91,489.52-39,076.50

Finding the Fourth Proportional to 66,302.18, 91,489.52 and 39,076.50

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Solution

The fourth proportional to 66,302.18, 91,489.52 and 39,076.50 is: 53,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,302.18 : 91,489.52 = 39,076.50 : x
  2. Step 2: Convert to fraction form
    66,302.18/91,489.52 = 39,076.50/x
  3. Step 3: Cross multiply
    66,302.18x = 91,489.52 × 39,076.50
  4. Step 4: Simplify right side
    66,302.18x = 3,575,090,228.28
  5. Step 5: Solve for x
    x = 3,575,090,228.28/66,302.18
  6. Step 6: Final answer
    x = 53,921.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.