Home / 82,867.70-124,301.55-30,270.35

Finding the Fourth Proportional to 82,867.70, 124,301.55 and 30,270.35

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Solution

The fourth proportional to 82,867.70, 124,301.55 and 30,270.35 is: 45,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,867.70 : 124,301.55 = 30,270.35 : x
  2. Step 2: Convert to fraction form
    82,867.70/124,301.55 = 30,270.35/x
  3. Step 3: Cross multiply
    82,867.70x = 124,301.55 × 30,270.35
  4. Step 4: Simplify right side
    82,867.70x = 3,762,651,424.04
  5. Step 5: Solve for x
    x = 3,762,651,424.04/82,867.70
  6. Step 6: Final answer
    x = 45,405.53

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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.