Home / 97,102.33-145,661.40-26,981.65

Finding the Fourth Proportional to 97,102.33, 145,661.40 and 26,981.65

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Solution

The fourth proportional to 97,102.33, 145,661.40 and 26,981.65 is: 40,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,102.33 : 145,661.40 = 26,981.65 : x
  2. Step 2: Convert to fraction form
    97,102.33/145,661.40 = 26,981.65/x
  3. Step 3: Cross multiply
    97,102.33x = 145,661.40 × 26,981.65
  4. Step 4: Simplify right side
    97,102.33x = 3,930,184,913.31
  5. Step 5: Solve for x
    x = 3,930,184,913.31/97,102.33
  6. Step 6: Final answer
    x = 40,474.67

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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.