Home / 74,647.12-103,008.30-41,113.12

Finding the Fourth Proportional to 74,647.12, 103,008.30 and 41,113.12

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Solution

The fourth proportional to 74,647.12, 103,008.30 and 41,113.12 is: 56,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,647.12 : 103,008.30 = 41,113.12 : x
  2. Step 2: Convert to fraction form
    74,647.12/103,008.30 = 41,113.12/x
  3. Step 3: Cross multiply
    74,647.12x = 103,008.30 × 41,113.12
  4. Step 4: Simplify right side
    74,647.12x = 4,234,992,598.90
  5. Step 5: Solve for x
    x = 4,234,992,598.90/74,647.12
  6. Step 6: Final answer
    x = 56,733.50

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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.