Home / 97,643.08-146,461.88-31,087.20

Finding the Fourth Proportional to 97,643.08, 146,461.88 and 31,087.20

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Solution

The fourth proportional to 97,643.08, 146,461.88 and 31,087.20 is: 46,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,643.08 : 146,461.88 = 31,087.20 : x
  2. Step 2: Convert to fraction form
    97,643.08/146,461.88 = 31,087.20/x
  3. Step 3: Cross multiply
    97,643.08x = 146,461.88 × 31,087.20
  4. Step 4: Simplify right side
    97,643.08x = 4,553,089,755.94
  5. Step 5: Solve for x
    x = 4,553,089,755.94/97,643.08
  6. Step 6: Final answer
    x = 46,629.93

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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.