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Finding the Fourth Proportional to 90,051, 124,270.44 and 52,327.68

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Solution

The fourth proportional to 90,051, 124,270.44 and 52,327.68 is: 72,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,051 : 124,270.44 = 52,327.68 : x
  2. Step 2: Convert to fraction form
    90,051/124,270.44 = 52,327.68/x
  3. Step 3: Cross multiply
    90,051x = 124,270.44 × 52,327.68
  4. Step 4: Simplify right side
    90,051x = 6,502,783,817.78
  5. Step 5: Solve for x
    x = 6,502,783,817.78/90,051
  6. Step 6: Final answer
    x = 72,212.23

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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.