Home / 96,419.72-133,055.22-56,134.52

Finding the Fourth Proportional to 96,419.72, 133,055.22 and 56,134.52

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Solution

The fourth proportional to 96,419.72, 133,055.22 and 56,134.52 is: 77,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,419.72 : 133,055.22 = 56,134.52 : x
  2. Step 2: Convert to fraction form
    96,419.72/133,055.22 = 56,134.52/x
  3. Step 3: Cross multiply
    96,419.72x = 133,055.22 × 56,134.52
  4. Step 4: Simplify right side
    96,419.72x = 7,468,990,908.19
  5. Step 5: Solve for x
    x = 7,468,990,908.19/96,419.72
  6. Step 6: Final answer
    x = 77,463.31

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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.