Home / 62,673.36-86,465.64-40,013.20

Finding the Fourth Proportional to 62,673.36, 86,465.64 and 40,013.20

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Solution

The fourth proportional to 62,673.36, 86,465.64 and 40,013.20 is: 55,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,673.36 : 86,465.64 = 40,013.20 : x
  2. Step 2: Convert to fraction form
    62,673.36/86,465.64 = 40,013.20/x
  3. Step 3: Cross multiply
    62,673.36x = 86,465.64 × 40,013.20
  4. Step 4: Simplify right side
    62,673.36x = 3,459,766,946.45
  5. Step 5: Solve for x
    x = 3,459,766,946.45/62,673.36
  6. Step 6: Final answer
    x = 55,203.15

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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.