Home / 77,737.47-116,614.54-21,577.81

Finding the Fourth Proportional to 77,737.47, 116,614.54 and 21,577.81

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Solution

The fourth proportional to 77,737.47, 116,614.54 and 21,577.81 is: 32,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,737.47 : 116,614.54 = 21,577.81 : x
  2. Step 2: Convert to fraction form
    77,737.47/116,614.54 = 21,577.81/x
  3. Step 3: Cross multiply
    77,737.47x = 116,614.54 × 21,577.81
  4. Step 4: Simplify right side
    77,737.47x = 2,516,286,712.04
  5. Step 5: Solve for x
    x = 2,516,286,712.04/77,737.47
  6. Step 6: Final answer
    x = 32,369.03

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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.