Home / 100,950.16-139,311.23-58,533.30

Finding the Fourth Proportional to 100,950.16, 139,311.23 and 58,533.30

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Solution

The fourth proportional to 100,950.16, 139,311.23 and 58,533.30 is: 80,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,950.16 : 139,311.23 = 58,533.30 : x
  2. Step 2: Convert to fraction form
    100,950.16/139,311.23 = 58,533.30/x
  3. Step 3: Cross multiply
    100,950.16x = 139,311.23 × 58,533.30
  4. Step 4: Simplify right side
    100,950.16x = 8,154,345,817.01
  5. Step 5: Solve for x
    x = 8,154,345,817.01/100,950.16
  6. Step 6: Final answer
    x = 80,775.96

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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.