Home / 77,572.23-116,356.03-21,415.77

Finding the Fourth Proportional to 77,572.23, 116,356.03 and 21,415.77

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Solution

The fourth proportional to 77,572.23, 116,356.03 and 21,415.77 is: 32,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572.23 : 116,356.03 = 21,415.77 : x
  2. Step 2: Convert to fraction form
    77,572.23/116,356.03 = 21,415.77/x
  3. Step 3: Cross multiply
    77,572.23x = 116,356.03 × 21,415.77
  4. Step 4: Simplify right side
    77,572.23x = 2,491,853,739.24
  5. Step 5: Solve for x
    x = 2,491,853,739.24/77,572.23
  6. Step 6: Final answer
    x = 32,123.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.