Home / 55,535.63-76,639.37-38,797.79

Finding the Fourth Proportional to 55,535.63, 76,639.37 and 38,797.79

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Solution

The fourth proportional to 55,535.63, 76,639.37 and 38,797.79 is: 53,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,535.63 : 76,639.37 = 38,797.79 : x
  2. Step 2: Convert to fraction form
    55,535.63/76,639.37 = 38,797.79/x
  3. Step 3: Cross multiply
    55,535.63x = 76,639.37 × 38,797.79
  4. Step 4: Simplify right side
    55,535.63x = 2,973,437,605.81
  5. Step 5: Solve for x
    x = 2,973,437,605.81/55,535.63
  6. Step 6: Final answer
    x = 53,541.08

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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.