Home / 77,076.36-106,334.64-46,851.48

Finding the Fourth Proportional to 77,076.36, 106,334.64 and 46,851.48

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Solution

The fourth proportional to 77,076.36, 106,334.64 and 46,851.48 is: 64,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,076.36 : 106,334.64 = 46,851.48 : x
  2. Step 2: Convert to fraction form
    77,076.36/106,334.64 = 46,851.48/x
  3. Step 3: Cross multiply
    77,076.36x = 106,334.64 × 46,851.48
  4. Step 4: Simplify right side
    77,076.36x = 4,981,935,259.27
  5. Step 5: Solve for x
    x = 4,981,935,259.27/77,076.36
  6. Step 6: Final answer
    x = 64,636.36

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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.