Home / 104,461.45-144,157.39-61,442.73

Finding the Fourth Proportional to 104,461.45, 144,157.39 and 61,442.73

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Solution

The fourth proportional to 104,461.45, 144,157.39 and 61,442.73 is: 84,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,461.45 : 144,157.39 = 61,442.73 : x
  2. Step 2: Convert to fraction form
    104,461.45/144,157.39 = 61,442.73/x
  3. Step 3: Cross multiply
    104,461.45x = 144,157.39 × 61,442.73
  4. Step 4: Simplify right side
    104,461.45x = 8,857,423,437.67
  5. Step 5: Solve for x
    x = 8,857,423,437.67/104,461.45
  6. Step 6: Final answer
    x = 84,791.31

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1.5x scale

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.