Home / 90,528.89-124,929.99-50,241.61

Finding the Fourth Proportional to 90,528.89, 124,929.99 and 50,241.61

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Solution

The fourth proportional to 90,528.89, 124,929.99 and 50,241.61 is: 69,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,528.89 : 124,929.99 = 50,241.61 : x
  2. Step 2: Convert to fraction form
    90,528.89/124,929.99 = 50,241.61/x
  3. Step 3: Cross multiply
    90,528.89x = 124,929.99 × 50,241.61
  4. Step 4: Simplify right side
    90,528.89x = 6,276,683,522.56
  5. Step 5: Solve for x
    x = 6,276,683,522.56/90,528.89
  6. Step 6: Final answer
    x = 69,333.49

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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.