Home / 97,140.54-145,704.12-59,706.39

Finding the Fourth Proportional to 97,140.54, 145,704.12 and 59,706.39

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Solution

The fourth proportional to 97,140.54, 145,704.12 and 59,706.39 is: 89,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,140.54 : 145,704.12 = 59,706.39 : x
  2. Step 2: Convert to fraction form
    97,140.54/145,704.12 = 59,706.39/x
  3. Step 3: Cross multiply
    97,140.54x = 145,704.12 × 59,706.39
  4. Step 4: Simplify right side
    97,140.54x = 8,699,467,013.33
  5. Step 5: Solve for x
    x = 8,699,467,013.33/97,140.54
  6. Step 6: Final answer
    x = 89,555.47

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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.