Home / 97,877.12-146,826.41-31,301.60

Finding the Fourth Proportional to 97,877.12, 146,826.41 and 31,301.60

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Solution

The fourth proportional to 97,877.12, 146,826.41 and 31,301.60 is: 46,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,877.12 : 146,826.41 = 31,301.60 : x
  2. Step 2: Convert to fraction form
    97,877.12/146,826.41 = 31,301.60/x
  3. Step 3: Cross multiply
    97,877.12x = 146,826.41 × 31,301.60
  4. Step 4: Simplify right side
    97,877.12x = 4,595,900,664.62
  5. Step 5: Solve for x
    x = 4,595,900,664.62/97,877.12
  6. Step 6: Final answer
    x = 46,955.82

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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.