Home / 90,558.66-124,985.91-50,285.34

Finding the Fourth Proportional to 90,558.66, 124,985.91 and 50,285.34

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Solution

The fourth proportional to 90,558.66, 124,985.91 and 50,285.34 is: 69,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,558.66 : 124,985.91 = 50,285.34 : x
  2. Step 2: Convert to fraction form
    90,558.66/124,985.91 = 50,285.34/x
  3. Step 3: Cross multiply
    90,558.66x = 124,985.91 × 50,285.34
  4. Step 4: Simplify right side
    90,558.66x = 6,284,958,979.56
  5. Step 5: Solve for x
    x = 6,284,958,979.56/90,558.66
  6. Step 6: Final answer
    x = 69,402.08

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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.