Home / 85,915.52-118,576.36-52,400.96

Finding the Fourth Proportional to 85,915.52, 118,576.36 and 52,400.96

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Solution

The fourth proportional to 85,915.52, 118,576.36 and 52,400.96 is: 72,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,915.52 : 118,576.36 = 52,400.96 : x
  2. Step 2: Convert to fraction form
    85,915.52/118,576.36 = 52,400.96/x
  3. Step 3: Cross multiply
    85,915.52x = 118,576.36 × 52,400.96
  4. Step 4: Simplify right side
    85,915.52x = 6,213,515,097.31
  5. Step 5: Solve for x
    x = 6,213,515,097.31/85,915.52
  6. Step 6: Final answer
    x = 72,321.22

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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.