Home / 68,351.31-94,332.96-40,056.98

Finding the Fourth Proportional to 68,351.31, 94,332.96 and 40,056.98

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Solution

The fourth proportional to 68,351.31, 94,332.96 and 40,056.98 is: 55,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,351.31 : 94,332.96 = 40,056.98 : x
  2. Step 2: Convert to fraction form
    68,351.31/94,332.96 = 40,056.98/x
  3. Step 3: Cross multiply
    68,351.31x = 94,332.96 × 40,056.98
  4. Step 4: Simplify right side
    68,351.31x = 3,778,693,020.40
  5. Step 5: Solve for x
    x = 3,778,693,020.40/68,351.31
  6. Step 6: Final answer
    x = 55,283.40

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1.5x scale

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.