Home / 74,000.20-110,781.60-49,068.40

Finding the Fourth Proportional to 74,000.20, 110,781.60 and 49,068.40

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Solution

The fourth proportional to 74,000.20, 110,781.60 and 49,068.40 is: 73,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,000.20 : 110,781.60 = 49,068.40 : x
  2. Step 2: Convert to fraction form
    74,000.20/110,781.60 = 49,068.40/x
  3. Step 3: Cross multiply
    74,000.20x = 110,781.60 × 49,068.40
  4. Step 4: Simplify right side
    74,000.20x = 5,435,875,861.44
  5. Step 5: Solve for x
    x = 5,435,875,861.44/74,000.20
  6. Step 6: Final answer
    x = 73,457.58

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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.