Home / 74,936.30-112,386.45-43,277.90

Finding the Fourth Proportional to 74,936.30, 112,386.45 and 43,277.90

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Solution

The fourth proportional to 74,936.30, 112,386.45 and 43,277.90 is: 64,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.30 : 112,386.45 = 43,277.90 : x
  2. Step 2: Convert to fraction form
    74,936.30/112,386.45 = 43,277.90/x
  3. Step 3: Cross multiply
    74,936.30x = 112,386.45 × 43,277.90
  4. Step 4: Simplify right side
    74,936.30x = 4,863,849,544.46
  5. Step 5: Solve for x
    x = 4,863,849,544.46/74,936.30
  6. Step 6: Final answer
    x = 64,906.45

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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.