Home / 77,380.16-106,782.40-43,846.08

Finding the Fourth Proportional to 77,380.16, 106,782.40 and 43,846.08

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Solution

The fourth proportional to 77,380.16, 106,782.40 and 43,846.08 is: 60,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,380.16 : 106,782.40 = 43,846.08 : x
  2. Step 2: Convert to fraction form
    77,380.16/106,782.40 = 43,846.08/x
  3. Step 3: Cross multiply
    77,380.16x = 106,782.40 × 43,846.08
  4. Step 4: Simplify right side
    77,380.16x = 4,681,989,652.99
  5. Step 5: Solve for x
    x = 4,681,989,652.99/77,380.16
  6. Step 6: Final answer
    x = 60,506.33

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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.