Home / 57,943.47-86,480.80-54,160.06

Finding the Fourth Proportional to 57,943.47, 86,480.80 and 54,160.06

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Solution

The fourth proportional to 57,943.47, 86,480.80 and 54,160.06 is: 80,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.47 : 86,480.80 = 54,160.06 : x
  2. Step 2: Convert to fraction form
    57,943.47/86,480.80 = 54,160.06/x
  3. Step 3: Cross multiply
    57,943.47x = 86,480.80 × 54,160.06
  4. Step 4: Simplify right side
    57,943.47x = 4,683,805,127.40
  5. Step 5: Solve for x
    x = 4,683,805,127.40/57,943.47
  6. Step 6: Final answer
    x = 80,834.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.