Home / 45,283.94-68,036.60-42,766.19

Finding the Fourth Proportional to 45,283.94, 68,036.60 and 42,766.19

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Solution

The fourth proportional to 45,283.94, 68,036.60 and 42,766.19 is: 64,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,283.94 : 68,036.60 = 42,766.19 : x
  2. Step 2: Convert to fraction form
    45,283.94/68,036.60 = 42,766.19/x
  3. Step 3: Cross multiply
    45,283.94x = 68,036.60 × 42,766.19
  4. Step 4: Simplify right side
    45,283.94x = 2,909,665,929.29
  5. Step 5: Solve for x
    x = 2,909,665,929.29/45,283.94
  6. Step 6: Final answer
    x = 64,253.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.