Home / 92,990.36-128,330.12-50,552.04

Finding the Fourth Proportional to 92,990.36, 128,330.12 and 50,552.04

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Solution

The fourth proportional to 92,990.36, 128,330.12 and 50,552.04 is: 69,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,990.36 : 128,330.12 = 50,552.04 : x
  2. Step 2: Convert to fraction form
    92,990.36/128,330.12 = 50,552.04/x
  3. Step 3: Cross multiply
    92,990.36x = 128,330.12 × 50,552.04
  4. Step 4: Simplify right side
    92,990.36x = 6,487,349,359.44
  5. Step 5: Solve for x
    x = 6,487,349,359.44/92,990.36
  6. Step 6: Final answer
    x = 69,763.68

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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.