Home / 77,999.14-117,032.73-33,615.19

Finding the Fourth Proportional to 77,999.14, 117,032.73 and 33,615.19

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Solution

The fourth proportional to 77,999.14, 117,032.73 and 33,615.19 is: 50,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,999.14 : 117,032.73 = 33,615.19 : x
  2. Step 2: Convert to fraction form
    77,999.14/117,032.73 = 33,615.19/x
  3. Step 3: Cross multiply
    77,999.14x = 117,032.73 × 33,615.19
  4. Step 4: Simplify right side
    77,999.14x = 3,934,077,455.17
  5. Step 5: Solve for x
    x = 3,934,077,455.17/77,999.14
  6. Step 6: Final answer
    x = 50,437.45

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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.