Home / 67,715.45-93,462.87-45,055.39

Finding the Fourth Proportional to 67,715.45, 93,462.87 and 45,055.39

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Solution

The fourth proportional to 67,715.45, 93,462.87 and 45,055.39 is: 62,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715.45 : 93,462.87 = 45,055.39 : x
  2. Step 2: Convert to fraction form
    67,715.45/93,462.87 = 45,055.39/x
  3. Step 3: Cross multiply
    67,715.45x = 93,462.87 × 45,055.39
  4. Step 4: Simplify right side
    67,715.45x = 4,211,006,006.24
  5. Step 5: Solve for x
    x = 4,211,006,006.24/67,715.45
  6. Step 6: Final answer
    x = 62,186.79

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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.