Home / 47,980.11-71,970.16-46,667.91

Finding the Fourth Proportional to 47,980.11, 71,970.16 and 46,667.91

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Solution

The fourth proportional to 47,980.11, 71,970.16 and 46,667.91 is: 70,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.11 : 71,970.16 = 46,667.91 : x
  2. Step 2: Convert to fraction form
    47,980.11/71,970.16 = 46,667.91/x
  3. Step 3: Cross multiply
    47,980.11x = 71,970.16 × 46,667.91
  4. Step 4: Simplify right side
    47,980.11x = 3,358,696,949.57
  5. Step 5: Solve for x
    x = 3,358,696,949.57/47,980.11
  6. Step 6: Final answer
    x = 70,001.86

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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.