Home / 90,922.16-125,451.69-52,142.06

Finding the Fourth Proportional to 90,922.16, 125,451.69 and 52,142.06

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Solution

The fourth proportional to 90,922.16, 125,451.69 and 52,142.06 is: 71,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.16 : 125,451.69 = 52,142.06 : x
  2. Step 2: Convert to fraction form
    90,922.16/125,451.69 = 52,142.06/x
  3. Step 3: Cross multiply
    90,922.16x = 125,451.69 × 52,142.06
  4. Step 4: Simplify right side
    90,922.16x = 6,541,309,547.08
  5. Step 5: Solve for x
    x = 6,541,309,547.08/90,922.16
  6. Step 6: Final answer
    x = 71,944.06

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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.