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Finding the Fourth Proportional to 64,333.42, 88,813.73 and 49,961.01

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Solution

The fourth proportional to 64,333.42, 88,813.73 and 49,961.01 is: 68,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,333.42 : 88,813.73 = 49,961.01 : x
  2. Step 2: Convert to fraction form
    64,333.42/88,813.73 = 49,961.01/x
  3. Step 3: Cross multiply
    64,333.42x = 88,813.73 × 49,961.01
  4. Step 4: Simplify right side
    64,333.42x = 4,437,223,652.67
  5. Step 5: Solve for x
    x = 4,437,223,652.67/64,333.42
  6. Step 6: Final answer
    x = 68,972.30

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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.