Home / 74,197.65-111,294.86-18,038.06

Finding the Fourth Proportional to 74,197.65, 111,294.86 and 18,038.06

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Solution

The fourth proportional to 74,197.65, 111,294.86 and 18,038.06 is: 27,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197.65 : 111,294.86 = 18,038.06 : x
  2. Step 2: Convert to fraction form
    74,197.65/111,294.86 = 18,038.06/x
  3. Step 3: Cross multiply
    74,197.65x = 111,294.86 × 18,038.06
  4. Step 4: Simplify right side
    74,197.65x = 2,007,542,715.71
  5. Step 5: Solve for x
    x = 2,007,542,715.71/74,197.65
  6. Step 6: Final answer
    x = 27,056.69

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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.