Home / 46,078.53-69,117.33-21,111.51

Finding the Fourth Proportional to 46,078.53, 69,117.33 and 21,111.51

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Solution

The fourth proportional to 46,078.53, 69,117.33 and 21,111.51 is: 31,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,078.53 : 69,117.33 = 21,111.51 : x
  2. Step 2: Convert to fraction form
    46,078.53/69,117.33 = 21,111.51/x
  3. Step 3: Cross multiply
    46,078.53x = 69,117.33 × 21,111.51
  4. Step 4: Simplify right side
    46,078.53x = 1,459,171,203.47
  5. Step 5: Solve for x
    x = 1,459,171,203.47/46,078.53
  6. Step 6: Final answer
    x = 31,667.05

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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.