Home / 72,134.34-99,558.08-41,929.03

Finding the Fourth Proportional to 72,134.34, 99,558.08 and 41,929.03

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Solution

The fourth proportional to 72,134.34, 99,558.08 and 41,929.03 is: 57,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,134.34 : 99,558.08 = 41,929.03 : x
  2. Step 2: Convert to fraction form
    72,134.34/99,558.08 = 41,929.03/x
  3. Step 3: Cross multiply
    72,134.34x = 99,558.08 × 41,929.03
  4. Step 4: Simplify right side
    72,134.34x = 4,174,373,723.06
  5. Step 5: Solve for x
    x = 4,174,373,723.06/72,134.34
  6. Step 6: Final answer
    x = 57,869.44

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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.