Home / 74,000.22-102,118.23-40,465.50

Finding the Fourth Proportional to 74,000.22, 102,118.23 and 40,465.50

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Solution

The fourth proportional to 74,000.22, 102,118.23 and 40,465.50 is: 55,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,000.22 : 102,118.23 = 40,465.50 : x
  2. Step 2: Convert to fraction form
    74,000.22/102,118.23 = 40,465.50/x
  3. Step 3: Cross multiply
    74,000.22x = 102,118.23 × 40,465.50
  4. Step 4: Simplify right side
    74,000.22x = 4,132,265,236.07
  5. Step 5: Solve for x
    x = 4,132,265,236.07/74,000.22
  6. Step 6: Final answer
    x = 55,841.26

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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.