Home / 45,009.16-67,507.51-11,726.51

Finding the Fourth Proportional to 45,009.16, 67,507.51 and 11,726.51

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Solution

The fourth proportional to 45,009.16, 67,507.51 and 11,726.51 is: 17,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.16 : 67,507.51 = 11,726.51 : x
  2. Step 2: Convert to fraction form
    45,009.16/67,507.51 = 11,726.51/x
  3. Step 3: Cross multiply
    45,009.16x = 67,507.51 × 11,726.51
  4. Step 4: Simplify right side
    45,009.16x = 791,627,491.09
  5. Step 5: Solve for x
    x = 791,627,491.09/45,009.16
  6. Step 6: Final answer
    x = 17,588.14

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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.