Home / 82,915.04-114,425.52-45,190.64

Finding the Fourth Proportional to 82,915.04, 114,425.52 and 45,190.64

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Solution

The fourth proportional to 82,915.04, 114,425.52 and 45,190.64 is: 62,364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,915.04 : 114,425.52 = 45,190.64 : x
  2. Step 2: Convert to fraction form
    82,915.04/114,425.52 = 45,190.64/x
  3. Step 3: Cross multiply
    82,915.04x = 114,425.52 × 45,190.64
  4. Step 4: Simplify right side
    82,915.04x = 5,170,962,481.13
  5. Step 5: Solve for x
    x = 5,170,962,481.13/82,915.04
  6. Step 6: Final answer
    x = 62,364.59

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1.5x scale

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.