Home / 50,491.10-75,736.65-15,430.70

Finding the Fourth Proportional to 50,491.10, 75,736.65 and 15,430.70

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Solution

The fourth proportional to 50,491.10, 75,736.65 and 15,430.70 is: 23,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,491.10 : 75,736.65 = 15,430.70 : x
  2. Step 2: Convert to fraction form
    50,491.10/75,736.65 = 15,430.70/x
  3. Step 3: Cross multiply
    50,491.10x = 75,736.65 × 15,430.70
  4. Step 4: Simplify right side
    50,491.10x = 1,168,669,525.16
  5. Step 5: Solve for x
    x = 1,168,669,525.16/50,491.10
  6. Step 6: Final answer
    x = 23,146.05

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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.