Home / 90,242.68-124,533.42-49,955.60

Finding the Fourth Proportional to 90,242.68, 124,533.42 and 49,955.60

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Solution

The fourth proportional to 90,242.68, 124,533.42 and 49,955.60 is: 68,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,242.68 : 124,533.42 = 49,955.60 : x
  2. Step 2: Convert to fraction form
    90,242.68/124,533.42 = 49,955.60/x
  3. Step 3: Cross multiply
    90,242.68x = 124,533.42 × 49,955.60
  4. Step 4: Simplify right side
    90,242.68x = 6,221,141,716.15
  5. Step 5: Solve for x
    x = 6,221,141,716.15/90,242.68
  6. Step 6: Final answer
    x = 68,937.91

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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.