Home / 54,918.74-75,720.69-46,405.70

Finding the Fourth Proportional to 54,918.74, 75,720.69 and 46,405.70

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Solution

The fourth proportional to 54,918.74, 75,720.69 and 46,405.70 is: 63,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918.74 : 75,720.69 = 46,405.70 : x
  2. Step 2: Convert to fraction form
    54,918.74/75,720.69 = 46,405.70/x
  3. Step 3: Cross multiply
    54,918.74x = 75,720.69 × 46,405.70
  4. Step 4: Simplify right side
    54,918.74x = 3,513,871,623.93
  5. Step 5: Solve for x
    x = 3,513,871,623.93/54,918.74
  6. Step 6: Final answer
    x = 63,983.11

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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.