Home / 97,223.23-145,668.93-69,003.64

Finding the Fourth Proportional to 97,223.23, 145,668.93 and 69,003.64

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Solution

The fourth proportional to 97,223.23, 145,668.93 and 69,003.64 is: 103,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,223.23 : 145,668.93 = 69,003.64 : x
  2. Step 2: Convert to fraction form
    97,223.23/145,668.93 = 69,003.64/x
  3. Step 3: Cross multiply
    97,223.23x = 145,668.93 × 69,003.64
  4. Step 4: Simplify right side
    97,223.23x = 10,051,686,404.91
  5. Step 5: Solve for x
    x = 10,051,686,404.91/97,223.23
  6. Step 6: Final answer
    x = 103,387.70

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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.