Home / 125,835.72-173,654.52-69,248.40

Finding the Fourth Proportional to 125,835.72, 173,654.52 and 69,248.40

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Solution

The fourth proportional to 125,835.72, 173,654.52 and 69,248.40 is: 95,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,835.72 : 173,654.52 = 69,248.40 : x
  2. Step 2: Convert to fraction form
    125,835.72/173,654.52 = 69,248.40/x
  3. Step 3: Cross multiply
    125,835.72x = 173,654.52 × 69,248.40
  4. Step 4: Simplify right side
    125,835.72x = 12,025,297,662.77
  5. Step 5: Solve for x
    x = 12,025,297,662.77/125,835.72
  6. Step 6: Final answer
    x = 95,563.47

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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.