Home / 55,905.36-77,130.54-37,969.26

Finding the Fourth Proportional to 55,905.36, 77,130.54 and 37,969.26

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Solution

The fourth proportional to 55,905.36, 77,130.54 and 37,969.26 is: 52,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.36 : 77,130.54 = 37,969.26 : x
  2. Step 2: Convert to fraction form
    55,905.36/77,130.54 = 37,969.26/x
  3. Step 3: Cross multiply
    55,905.36x = 77,130.54 × 37,969.26
  4. Step 4: Simplify right side
    55,905.36x = 2,928,589,527.20
  5. Step 5: Solve for x
    x = 2,928,589,527.20/55,905.36
  6. Step 6: Final answer
    x = 52,384.77

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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.