Home / 46,715.85-70,077.82-13,438.62

Finding the Fourth Proportional to 46,715.85, 70,077.82 and 13,438.62

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Solution

The fourth proportional to 46,715.85, 70,077.82 and 13,438.62 is: 20,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,715.85 : 70,077.82 = 13,438.62 : x
  2. Step 2: Convert to fraction form
    46,715.85/70,077.82 = 13,438.62/x
  3. Step 3: Cross multiply
    46,715.85x = 70,077.82 × 13,438.62
  4. Step 4: Simplify right side
    46,715.85x = 941,749,193.41
  5. Step 5: Solve for x
    x = 941,749,193.41/46,715.85
  6. Step 6: Final answer
    x = 20,159.09

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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.