Home / 74,001.22-102,119.61-40,466.50

Finding the Fourth Proportional to 74,001.22, 102,119.61 and 40,466.50

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Solution

The fourth proportional to 74,001.22, 102,119.61 and 40,466.50 is: 55,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,001.22 : 102,119.61 = 40,466.50 : x
  2. Step 2: Convert to fraction form
    74,001.22/102,119.61 = 40,466.50/x
  3. Step 3: Cross multiply
    74,001.22x = 102,119.61 × 40,466.50
  4. Step 4: Simplify right side
    74,001.22x = 4,132,423,198.07
  5. Step 5: Solve for x
    x = 4,132,423,198.07/74,001.22
  6. Step 6: Final answer
    x = 55,842.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.