Home / 90,424.46-124,759.86-52,181.12

Finding the Fourth Proportional to 90,424.46, 124,759.86 and 52,181.12

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Solution

The fourth proportional to 90,424.46, 124,759.86 and 52,181.12 is: 71,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,424.46 : 124,759.86 = 52,181.12 : x
  2. Step 2: Convert to fraction form
    90,424.46/124,759.86 = 52,181.12/x
  3. Step 3: Cross multiply
    90,424.46x = 124,759.86 × 52,181.12
  4. Step 4: Simplify right side
    90,424.46x = 6,510,109,225.84
  5. Step 5: Solve for x
    x = 6,510,109,225.84/90,424.46
  6. Step 6: Final answer
    x = 71,995.00

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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.