Home / 90,066.03-124,280.33-49,774.30

Finding the Fourth Proportional to 90,066.03, 124,280.33 and 49,774.30

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Solution

The fourth proportional to 90,066.03, 124,280.33 and 49,774.30 is: 68,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,066.03 : 124,280.33 = 49,774.30 : x
  2. Step 2: Convert to fraction form
    90,066.03/124,280.33 = 49,774.30/x
  3. Step 3: Cross multiply
    90,066.03x = 124,280.33 × 49,774.30
  4. Step 4: Simplify right side
    90,066.03x = 6,185,965,869.95
  5. Step 5: Solve for x
    x = 6,185,965,869.95/90,066.03
  6. Step 6: Final answer
    x = 68,682.57

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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.