Home / 94,405.05-130,268.29-55,640.34

Finding the Fourth Proportional to 94,405.05, 130,268.29 and 55,640.34

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Solution

The fourth proportional to 94,405.05, 130,268.29 and 55,640.34 is: 76,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,405.05 : 130,268.29 = 55,640.34 : x
  2. Step 2: Convert to fraction form
    94,405.05/130,268.29 = 55,640.34/x
  3. Step 3: Cross multiply
    94,405.05x = 130,268.29 × 55,640.34
  4. Step 4: Simplify right side
    94,405.05x = 7,248,171,703.39
  5. Step 5: Solve for x
    x = 7,248,171,703.39/94,405.05
  6. Step 6: Final answer
    x = 76,777.37

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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.