Home / 46,715.20-70,072.80-38,513.95

Finding the Fourth Proportional to 46,715.20, 70,072.80 and 38,513.95

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Solution

The fourth proportional to 46,715.20, 70,072.80 and 38,513.95 is: 57,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,715.20 : 70,072.80 = 38,513.95 : x
  2. Step 2: Convert to fraction form
    46,715.20/70,072.80 = 38,513.95/x
  3. Step 3: Cross multiply
    46,715.20x = 70,072.80 × 38,513.95
  4. Step 4: Simplify right side
    46,715.20x = 2,698,780,315.56
  5. Step 5: Solve for x
    x = 2,698,780,315.56/46,715.20
  6. Step 6: Final answer
    x = 57,770.93

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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.