Home / 76,993.07-106,247.43-48,328.13

Finding the Fourth Proportional to 76,993.07, 106,247.43 and 48,328.13

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Solution

The fourth proportional to 76,993.07, 106,247.43 and 48,328.13 is: 66,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,993.07 : 106,247.43 = 48,328.13 : x
  2. Step 2: Convert to fraction form
    76,993.07/106,247.43 = 48,328.13/x
  3. Step 3: Cross multiply
    76,993.07x = 106,247.43 × 48,328.13
  4. Step 4: Simplify right side
    76,993.07x = 5,134,739,077.97
  5. Step 5: Solve for x
    x = 5,134,739,077.97/76,993.07
  6. Step 6: Final answer
    x = 66,690.93

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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.