Home / 90,119.22-124,365.17-49,283.53

Finding the Fourth Proportional to 90,119.22, 124,365.17 and 49,283.53

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Solution

The fourth proportional to 90,119.22, 124,365.17 and 49,283.53 is: 68,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,119.22 : 124,365.17 = 49,283.53 : x
  2. Step 2: Convert to fraction form
    90,119.22/124,365.17 = 49,283.53/x
  3. Step 3: Cross multiply
    90,119.22x = 124,365.17 × 49,283.53
  4. Step 4: Simplify right side
    90,119.22x = 6,129,154,709.86
  5. Step 5: Solve for x
    x = 6,129,154,709.86/90,119.22
  6. Step 6: Final answer
    x = 68,011.62

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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.