Home / 97,930.40-146,809.20-58,445.60

Finding the Fourth Proportional to 97,930.40, 146,809.20 and 58,445.60

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Solution

The fourth proportional to 97,930.40, 146,809.20 and 58,445.60 is: 87,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,930.40 : 146,809.20 = 58,445.60 : x
  2. Step 2: Convert to fraction form
    97,930.40/146,809.20 = 58,445.60/x
  3. Step 3: Cross multiply
    97,930.40x = 146,809.20 × 58,445.60
  4. Step 4: Simplify right side
    97,930.40x = 8,580,351,779.52
  5. Step 5: Solve for x
    x = 8,580,351,779.52/97,930.40
  6. Step 6: Final answer
    x = 87,616.84

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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.