Home / 66,008.40-99,000.45-41,003.70

Finding the Fourth Proportional to 66,008.40, 99,000.45 and 41,003.70

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Solution

The fourth proportional to 66,008.40, 99,000.45 and 41,003.70 is: 61,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,008.40 : 99,000.45 = 41,003.70 : x
  2. Step 2: Convert to fraction form
    66,008.40/99,000.45 = 41,003.70/x
  3. Step 3: Cross multiply
    66,008.40x = 99,000.45 × 41,003.70
  4. Step 4: Simplify right side
    66,008.40x = 4,059,384,751.67
  5. Step 5: Solve for x
    x = 4,059,384,751.67/66,008.40
  6. Step 6: Final answer
    x = 61,498.00

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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.