Home / 77,548.32-116,307.36-21,373.92

Finding the Fourth Proportional to 77,548.32, 116,307.36 and 21,373.92

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Solution

The fourth proportional to 77,548.32, 116,307.36 and 21,373.92 is: 32,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,548.32 : 116,307.36 = 21,373.92 : x
  2. Step 2: Convert to fraction form
    77,548.32/116,307.36 = 21,373.92/x
  3. Step 3: Cross multiply
    77,548.32x = 116,307.36 × 21,373.92
  4. Step 4: Simplify right side
    77,548.32x = 2,485,944,208.05
  5. Step 5: Solve for x
    x = 2,485,944,208.05/77,548.32
  6. Step 6: Final answer
    x = 32,056.71

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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.