Home / 74,526.50-102,847.90-40,535.74

Finding the Fourth Proportional to 74,526.50, 102,847.90 and 40,535.74

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Solution

The fourth proportional to 74,526.50, 102,847.90 and 40,535.74 is: 55,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,526.50 : 102,847.90 = 40,535.74 : x
  2. Step 2: Convert to fraction form
    74,526.50/102,847.90 = 40,535.74/x
  3. Step 3: Cross multiply
    74,526.50x = 102,847.90 × 40,535.74
  4. Step 4: Simplify right side
    74,526.50x = 4,169,015,733.95
  5. Step 5: Solve for x
    x = 4,169,015,733.95/74,526.50
  6. Step 6: Final answer
    x = 55,940.04

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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.