Home / 90,317.18-124,612.32-54,014.24

Finding the Fourth Proportional to 90,317.18, 124,612.32 and 54,014.24

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Solution

The fourth proportional to 90,317.18, 124,612.32 and 54,014.24 is: 74,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,317.18 : 124,612.32 = 54,014.24 : x
  2. Step 2: Convert to fraction form
    90,317.18/124,612.32 = 54,014.24/x
  3. Step 3: Cross multiply
    90,317.18x = 124,612.32 × 54,014.24
  4. Step 4: Simplify right side
    90,317.18x = 6,730,839,759.44
  5. Step 5: Solve for x
    x = 6,730,839,759.44/90,317.18
  6. Step 6: Final answer
    x = 74,524.47

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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.