Home / 77,319.48-106,599.34-55,791.16

Finding the Fourth Proportional to 77,319.48, 106,599.34 and 55,791.16

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Solution

The fourth proportional to 77,319.48, 106,599.34 and 55,791.16 is: 76,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.48 : 106,599.34 = 55,791.16 : x
  2. Step 2: Convert to fraction form
    77,319.48/106,599.34 = 55,791.16/x
  3. Step 3: Cross multiply
    77,319.48x = 106,599.34 × 55,791.16
  4. Step 4: Simplify right side
    77,319.48x = 5,947,300,833.83
  5. Step 5: Solve for x
    x = 5,947,300,833.83/77,319.48
  6. Step 6: Final answer
    x = 76,918.53

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1.5x scale

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.