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Finding the Fourth Proportional to 72,297.52, 99,832.12 and 45,484.88

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Solution

The fourth proportional to 72,297.52, 99,832.12 and 45,484.88 is: 62,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,297.52 : 99,832.12 = 45,484.88 : x
  2. Step 2: Convert to fraction form
    72,297.52/99,832.12 = 45,484.88/x
  3. Step 3: Cross multiply
    72,297.52x = 99,832.12 × 45,484.88
  4. Step 4: Simplify right side
    72,297.52x = 4,540,851,998.35
  5. Step 5: Solve for x
    x = 4,540,851,998.35/72,297.52
  6. Step 6: Final answer
    x = 62,807.85

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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.