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Finding the Fourth Proportional to 90,893.98, 125,430.01 and 50,606.61

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Solution

The fourth proportional to 90,893.98, 125,430.01 and 50,606.61 is: 69,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893.98 : 125,430.01 = 50,606.61 : x
  2. Step 2: Convert to fraction form
    90,893.98/125,430.01 = 50,606.61/x
  3. Step 3: Cross multiply
    90,893.98x = 125,430.01 × 50,606.61
  4. Step 4: Simplify right side
    90,893.98x = 6,347,587,598.37
  5. Step 5: Solve for x
    x = 6,347,587,598.37/90,893.98
  6. Step 6: Final answer
    x = 69,835.07

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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.