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Finding the Fourth Proportional to 72,845.04, 100,528.04 and 41,015.08

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Solution

The fourth proportional to 72,845.04, 100,528.04 and 41,015.08 is: 56,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,845.04 : 100,528.04 = 41,015.08 : x
  2. Step 2: Convert to fraction form
    72,845.04/100,528.04 = 41,015.08/x
  3. Step 3: Cross multiply
    72,845.04x = 100,528.04 × 41,015.08
  4. Step 4: Simplify right side
    72,845.04x = 4,123,165,602.84
  5. Step 5: Solve for x
    x = 4,123,165,602.84/72,845.04
  6. Step 6: Final answer
    x = 56,601.87

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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.