Home / 96,466.40-144,699.60-61,431.20

Finding the Fourth Proportional to 96,466.40, 144,699.60 and 61,431.20

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Solution

The fourth proportional to 96,466.40, 144,699.60 and 61,431.20 is: 92,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,466.40 : 144,699.60 = 61,431.20 : x
  2. Step 2: Convert to fraction form
    96,466.40/144,699.60 = 61,431.20/x
  3. Step 3: Cross multiply
    96,466.40x = 144,699.60 × 61,431.20
  4. Step 4: Simplify right side
    96,466.40x = 8,889,070,067.52
  5. Step 5: Solve for x
    x = 8,889,070,067.52/96,466.40
  6. Step 6: Final answer
    x = 92,146.80

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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.