Home / 90,598.08-125,021.10-50,314.35

Finding the Fourth Proportional to 90,598.08, 125,021.10 and 50,314.35

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Solution

The fourth proportional to 90,598.08, 125,021.10 and 50,314.35 is: 69,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,598.08 : 125,021.10 = 50,314.35 : x
  2. Step 2: Convert to fraction form
    90,598.08/125,021.10 = 50,314.35/x
  3. Step 3: Cross multiply
    90,598.08x = 125,021.10 × 50,314.35
  4. Step 4: Simplify right side
    90,598.08x = 6,290,355,382.79
  5. Step 5: Solve for x
    x = 6,290,355,382.79/90,598.08
  6. Step 6: Final answer
    x = 69,431.44

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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.