Home / 46,920.42-70,374.15-11,857.95

Finding the Fourth Proportional to 46,920.42, 70,374.15 and 11,857.95

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Solution

The fourth proportional to 46,920.42, 70,374.15 and 11,857.95 is: 17,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,920.42 : 70,374.15 = 11,857.95 : x
  2. Step 2: Convert to fraction form
    46,920.42/70,374.15 = 11,857.95/x
  3. Step 3: Cross multiply
    46,920.42x = 70,374.15 × 11,857.95
  4. Step 4: Simplify right side
    46,920.42x = 834,493,151.99
  5. Step 5: Solve for x
    x = 834,493,151.99/46,920.42
  6. Step 6: Final answer
    x = 17,785.29

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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.