Home / 77,208.96-106,517.16-46,970.04

Finding the Fourth Proportional to 77,208.96, 106,517.16 and 46,970.04

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Solution

The fourth proportional to 77,208.96, 106,517.16 and 46,970.04 is: 64,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,208.96 : 106,517.16 = 46,970.04 : x
  2. Step 2: Convert to fraction form
    77,208.96/106,517.16 = 46,970.04/x
  3. Step 3: Cross multiply
    77,208.96x = 106,517.16 × 46,970.04
  4. Step 4: Simplify right side
    77,208.96x = 5,003,115,265.89
  5. Step 5: Solve for x
    x = 5,003,115,265.89/77,208.96
  6. Step 6: Final answer
    x = 64,799.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.