Home / 115,205.49-172,915.16-59,087.07

Finding the Fourth Proportional to 115,205.49, 172,915.16 and 59,087.07

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Solution

The fourth proportional to 115,205.49, 172,915.16 and 59,087.07 is: 88,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,205.49 : 172,915.16 = 59,087.07 : x
  2. Step 2: Convert to fraction form
    115,205.49/172,915.16 = 59,087.07/x
  3. Step 3: Cross multiply
    115,205.49x = 172,915.16 × 59,087.07
  4. Step 4: Simplify right side
    115,205.49x = 10,217,049,867.55
  5. Step 5: Solve for x
    x = 10,217,049,867.55/115,205.49
  6. Step 6: Final answer
    x = 88,685.44

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1.5x scale

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.