Home / 88,611.20-122,287.36-50,897.28

Finding the Fourth Proportional to 88,611.20, 122,287.36 and 50,897.28

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Solution

The fourth proportional to 88,611.20, 122,287.36 and 50,897.28 is: 70,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,611.20 : 122,287.36 = 50,897.28 : x
  2. Step 2: Convert to fraction form
    88,611.20/122,287.36 = 50,897.28/x
  3. Step 3: Cross multiply
    88,611.20x = 122,287.36 × 50,897.28
  4. Step 4: Simplify right side
    88,611.20x = 6,224,094,002.38
  5. Step 5: Solve for x
    x = 6,224,094,002.38/88,611.20
  6. Step 6: Final answer
    x = 70,240.49

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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.