Home / 97,811.10-146,716.65-62,790.30

Finding the Fourth Proportional to 97,811.10, 146,716.65 and 62,790.30

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Solution

The fourth proportional to 97,811.10, 146,716.65 and 62,790.30 is: 94,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.10 : 146,716.65 = 62,790.30 : x
  2. Step 2: Convert to fraction form
    97,811.10/146,716.65 = 62,790.30/x
  3. Step 3: Cross multiply
    97,811.10x = 146,716.65 × 62,790.30
  4. Step 4: Simplify right side
    97,811.10x = 9,212,382,468.50
  5. Step 5: Solve for x
    x = 9,212,382,468.50/97,811.10
  6. Step 6: Final answer
    x = 94,185.45

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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.