Home / 68,135.07-94,036.34-40,913.00

Finding the Fourth Proportional to 68,135.07, 94,036.34 and 40,913.00

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Solution

The fourth proportional to 68,135.07, 94,036.34 and 40,913.00 is: 56,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,135.07 : 94,036.34 = 40,913.00 : x
  2. Step 2: Convert to fraction form
    68,135.07/94,036.34 = 40,913.00/x
  3. Step 3: Cross multiply
    68,135.07x = 94,036.34 × 40,913.00
  4. Step 4: Simplify right side
    68,135.07x = 3,847,308,763.16
  5. Step 5: Solve for x
    x = 3,847,308,763.16/68,135.07
  6. Step 6: Final answer
    x = 56,465.91

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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.