Home / 97,890.20-146,883.90-55,802.60

Finding the Fourth Proportional to 97,890.20, 146,883.90 and 55,802.60

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Solution

The fourth proportional to 97,890.20, 146,883.90 and 55,802.60 is: 83,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,890.20 : 146,883.90 = 55,802.60 : x
  2. Step 2: Convert to fraction form
    97,890.20/146,883.90 = 55,802.60/x
  3. Step 3: Cross multiply
    97,890.20x = 146,883.90 × 55,802.60
  4. Step 4: Simplify right side
    97,890.20x = 8,196,503,518.14
  5. Step 5: Solve for x
    x = 8,196,503,518.14/97,890.20
  6. Step 6: Final answer
    x = 83,731.60

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1.5x scale

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.