Home / 90,132.53-124,383.69-49,849.01

Finding the Fourth Proportional to 90,132.53, 124,383.69 and 49,849.01

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Solution

The fourth proportional to 90,132.53, 124,383.69 and 49,849.01 is: 68,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,132.53 : 124,383.69 = 49,849.01 : x
  2. Step 2: Convert to fraction form
    90,132.53/124,383.69 = 49,849.01/x
  3. Step 3: Cross multiply
    90,132.53x = 124,383.69 × 49,849.01
  4. Step 4: Simplify right side
    90,132.53x = 6,200,403,184.73
  5. Step 5: Solve for x
    x = 6,200,403,184.73/90,132.53
  6. Step 6: Final answer
    x = 68,792.07

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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.