Home / 93,421.20-140,034.60-51,236.40

Finding the Fourth Proportional to 93,421.20, 140,034.60 and 51,236.40

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Solution

The fourth proportional to 93,421.20, 140,034.60 and 51,236.40 is: 76,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,421.20 : 140,034.60 = 51,236.40 : x
  2. Step 2: Convert to fraction form
    93,421.20/140,034.60 = 51,236.40/x
  3. Step 3: Cross multiply
    93,421.20x = 140,034.60 × 51,236.40
  4. Step 4: Simplify right side
    93,421.20x = 7,174,868,779.44
  5. Step 5: Solve for x
    x = 7,174,868,779.44/93,421.20
  6. Step 6: Final answer
    x = 76,801.29

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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.