Home / 46,261.52-69,404.16-12,981.68

Finding the Fourth Proportional to 46,261.52, 69,404.16 and 12,981.68

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Solution

The fourth proportional to 46,261.52, 69,404.16 and 12,981.68 is: 19,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,261.52 : 69,404.16 = 12,981.68 : x
  2. Step 2: Convert to fraction form
    46,261.52/69,404.16 = 12,981.68/x
  3. Step 3: Cross multiply
    46,261.52x = 69,404.16 × 12,981.68
  4. Step 4: Simplify right side
    46,261.52x = 900,982,595.79
  5. Step 5: Solve for x
    x = 900,982,595.79/46,261.52
  6. Step 6: Final answer
    x = 19,475.85

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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.