Home / 90,330.96-124,661.10-54,520.32

Finding the Fourth Proportional to 90,330.96, 124,661.10 and 54,520.32

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Solution

The fourth proportional to 90,330.96, 124,661.10 and 54,520.32 is: 75,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,330.96 : 124,661.10 = 54,520.32 : x
  2. Step 2: Convert to fraction form
    90,330.96/124,661.10 = 54,520.32/x
  3. Step 3: Cross multiply
    90,330.96x = 124,661.10 × 54,520.32
  4. Step 4: Simplify right side
    90,330.96x = 6,796,563,063.55
  5. Step 5: Solve for x
    x = 6,796,563,063.55/90,330.96
  6. Step 6: Final answer
    x = 75,240.68

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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.