Home / 97,804.04-146,706.05-53,406.57

Finding the Fourth Proportional to 97,804.04, 146,706.05 and 53,406.57

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Solution

The fourth proportional to 97,804.04, 146,706.05 and 53,406.57 is: 80,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,804.04 : 146,706.05 = 53,406.57 : x
  2. Step 2: Convert to fraction form
    97,804.04/146,706.05 = 53,406.57/x
  3. Step 3: Cross multiply
    97,804.04x = 146,706.05 × 53,406.57
  4. Step 4: Simplify right side
    97,804.04x = 7,835,066,928.75
  5. Step 5: Solve for x
    x = 7,835,066,928.75/97,804.04
  6. Step 6: Final answer
    x = 80,109.85

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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.