Home / 72,533.26-100,089.03-40,695.94

Finding the Fourth Proportional to 72,533.26, 100,089.03 and 40,695.94

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Solution

The fourth proportional to 72,533.26, 100,089.03 and 40,695.94 is: 56,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,533.26 : 100,089.03 = 40,695.94 : x
  2. Step 2: Convert to fraction form
    72,533.26/100,089.03 = 40,695.94/x
  3. Step 3: Cross multiply
    72,533.26x = 100,089.03 × 40,695.94
  4. Step 4: Simplify right side
    72,533.26x = 4,073,217,159.54
  5. Step 5: Solve for x
    x = 4,073,217,159.54/72,533.26
  6. Step 6: Final answer
    x = 56,156.54

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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.