Home / 88,531.24-122,168.40-50,803

Finding the Fourth Proportional to 88,531.24, 122,168.40 and 50,803

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Solution

The fourth proportional to 88,531.24, 122,168.40 and 50,803 is: 70,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,531.24 : 122,168.40 = 50,803 : x
  2. Step 2: Convert to fraction form
    88,531.24/122,168.40 = 50,803/x
  3. Step 3: Cross multiply
    88,531.24x = 122,168.40 × 50,803
  4. Step 4: Simplify right side
    88,531.24x = 6,206,521,225.20
  5. Step 5: Solve for x
    x = 6,206,521,225.20/88,531.24
  6. Step 6: Final answer
    x = 70,105.44

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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.