Home / 77,969.17-116,953.49-18,804.83

Finding the Fourth Proportional to 77,969.17, 116,953.49 and 18,804.83

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Solution

The fourth proportional to 77,969.17, 116,953.49 and 18,804.83 is: 28,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,969.17 : 116,953.49 = 18,804.83 : x
  2. Step 2: Convert to fraction form
    77,969.17/116,953.49 = 18,804.83/x
  3. Step 3: Cross multiply
    77,969.17x = 116,953.49 × 18,804.83
  4. Step 4: Simplify right side
    77,969.17x = 2,199,290,403.33
  5. Step 5: Solve for x
    x = 2,199,290,403.33/77,969.17
  6. Step 6: Final answer
    x = 28,207.18

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1.5x scale

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.