Home / 90,016.84-124,225.75-49,733.20

Finding the Fourth Proportional to 90,016.84, 124,225.75 and 49,733.20

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Solution

The fourth proportional to 90,016.84, 124,225.75 and 49,733.20 is: 68,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,016.84 : 124,225.75 = 49,733.20 : x
  2. Step 2: Convert to fraction form
    90,016.84/124,225.75 = 49,733.20/x
  3. Step 3: Cross multiply
    90,016.84x = 124,225.75 × 49,733.20
  4. Step 4: Simplify right side
    90,016.84x = 6,178,144,069.90
  5. Step 5: Solve for x
    x = 6,178,144,069.90/90,016.84
  6. Step 6: Final answer
    x = 68,633.20

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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.