Home / 55,903.04-83,854.55-38,319.56

Finding the Fourth Proportional to 55,903.04, 83,854.55 and 38,319.56

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Solution

The fourth proportional to 55,903.04, 83,854.55 and 38,319.56 is: 57,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,903.04 : 83,854.55 = 38,319.56 : x
  2. Step 2: Convert to fraction form
    55,903.04/83,854.55 = 38,319.56/x
  3. Step 3: Cross multiply
    55,903.04x = 83,854.55 × 38,319.56
  4. Step 4: Simplify right side
    55,903.04x = 3,213,269,040.73
  5. Step 5: Solve for x
    x = 3,213,269,040.73/55,903.04
  6. Step 6: Final answer
    x = 57,479.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.