Home / 75,266.81-112,678.75-50,244.80

Finding the Fourth Proportional to 75,266.81, 112,678.75 and 50,244.80

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Solution

The fourth proportional to 75,266.81, 112,678.75 and 50,244.80 is: 75,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,266.81 : 112,678.75 = 50,244.80 : x
  2. Step 2: Convert to fraction form
    75,266.81/112,678.75 = 50,244.80/x
  3. Step 3: Cross multiply
    75,266.81x = 112,678.75 × 50,244.80
  4. Step 4: Simplify right side
    75,266.81x = 5,661,521,258
  5. Step 5: Solve for x
    x = 5,661,521,258/75,266.81
  6. Step 6: Final answer
    x = 75,219.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.