Home / 90,297.63-124,612.11-50,011.32

Finding the Fourth Proportional to 90,297.63, 124,612.11 and 50,011.32

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Solution

The fourth proportional to 90,297.63, 124,612.11 and 50,011.32 is: 69,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,297.63 : 124,612.11 = 50,011.32 : x
  2. Step 2: Convert to fraction form
    90,297.63/124,612.11 = 50,011.32/x
  3. Step 3: Cross multiply
    90,297.63x = 124,612.11 × 50,011.32
  4. Step 4: Simplify right side
    90,297.63x = 6,232,016,109.09
  5. Step 5: Solve for x
    x = 6,232,016,109.09/90,297.63
  6. Step 6: Final answer
    x = 69,016.39

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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.