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Finding the Fourth Proportional to 64,230.76, 88,633.02 and 36,999.64

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Solution

The fourth proportional to 64,230.76, 88,633.02 and 36,999.64 is: 51,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,230.76 : 88,633.02 = 36,999.64 : x
  2. Step 2: Convert to fraction form
    64,230.76/88,633.02 = 36,999.64/x
  3. Step 3: Cross multiply
    64,230.76x = 88,633.02 × 36,999.64
  4. Step 4: Simplify right side
    64,230.76x = 3,279,389,832.11
  5. Step 5: Solve for x
    x = 3,279,389,832.11/64,230.76
  6. Step 6: Final answer
    x = 51,056.38

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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.