Home / 92,802.81-128,067.12-50,361.34

Finding the Fourth Proportional to 92,802.81, 128,067.12 and 50,361.34

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Solution

The fourth proportional to 92,802.81, 128,067.12 and 50,361.34 is: 69,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,802.81 : 128,067.12 = 50,361.34 : x
  2. Step 2: Convert to fraction form
    92,802.81/128,067.12 = 50,361.34/x
  3. Step 3: Cross multiply
    92,802.81x = 128,067.12 × 50,361.34
  4. Step 4: Simplify right side
    92,802.81x = 6,449,631,258.71
  5. Step 5: Solve for x
    x = 6,449,631,258.71/92,802.81
  6. Step 6: Final answer
    x = 69,498.24

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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.