Home / 55,785.51-76,961.75-35,637.17

Finding the Fourth Proportional to 55,785.51, 76,961.75 and 35,637.17

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Solution

The fourth proportional to 55,785.51, 76,961.75 and 35,637.17 is: 49,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,785.51 : 76,961.75 = 35,637.17 : x
  2. Step 2: Convert to fraction form
    55,785.51/76,961.75 = 35,637.17/x
  3. Step 3: Cross multiply
    55,785.51x = 76,961.75 × 35,637.17
  4. Step 4: Simplify right side
    55,785.51x = 2,742,698,405.25
  5. Step 5: Solve for x
    x = 2,742,698,405.25/55,785.51
  6. Step 6: Final answer
    x = 49,165.07

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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.