Home / 102,074.62-153,091.87-97,011.21

Finding the Fourth Proportional to 102,074.62, 153,091.87 and 97,011.21

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Solution

The fourth proportional to 102,074.62, 153,091.87 and 97,011.21 is: 145,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,074.62 : 153,091.87 = 97,011.21 : x
  2. Step 2: Convert to fraction form
    102,074.62/153,091.87 = 97,011.21/x
  3. Step 3: Cross multiply
    102,074.62x = 153,091.87 × 97,011.21
  4. Step 4: Simplify right side
    102,074.62x = 14,851,627,549.86
  5. Step 5: Solve for x
    x = 14,851,627,549.86/102,074.62
  6. Step 6: Final answer
    x = 145,497.75

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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.