Home / 72,317.01-99,807.44-43,638.15

Finding the Fourth Proportional to 72,317.01, 99,807.44 and 43,638.15

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Solution

The fourth proportional to 72,317.01, 99,807.44 and 43,638.15 is: 60,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,317.01 : 99,807.44 = 43,638.15 : x
  2. Step 2: Convert to fraction form
    72,317.01/99,807.44 = 43,638.15/x
  3. Step 3: Cross multiply
    72,317.01x = 99,807.44 × 43,638.15
  4. Step 4: Simplify right side
    72,317.01x = 4,355,412,037.84
  5. Step 5: Solve for x
    x = 4,355,412,037.84/72,317.01
  6. Step 6: Final answer
    x = 60,226.66

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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.