Home / 97,138.60-145,701.20-59,704.45

Finding the Fourth Proportional to 97,138.60, 145,701.20 and 59,704.45

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Solution

The fourth proportional to 97,138.60, 145,701.20 and 59,704.45 is: 89,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,138.60 : 145,701.20 = 59,704.45 : x
  2. Step 2: Convert to fraction form
    97,138.60/145,701.20 = 59,704.45/x
  3. Step 3: Cross multiply
    97,138.60x = 145,701.20 × 59,704.45
  4. Step 4: Simplify right side
    97,138.60x = 8,699,009,795.35
  5. Step 5: Solve for x
    x = 8,699,009,795.35/97,138.60
  6. Step 6: Final answer
    x = 89,552.56

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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.