Home / 55,209.64-76,090.58-45,072.76

Finding the Fourth Proportional to 55,209.64, 76,090.58 and 45,072.76

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Solution

The fourth proportional to 55,209.64, 76,090.58 and 45,072.76 is: 62,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209.64 : 76,090.58 = 45,072.76 : x
  2. Step 2: Convert to fraction form
    55,209.64/76,090.58 = 45,072.76/x
  3. Step 3: Cross multiply
    55,209.64x = 76,090.58 × 45,072.76
  4. Step 4: Simplify right side
    55,209.64x = 3,429,612,450.60
  5. Step 5: Solve for x
    x = 3,429,612,450.60/55,209.64
  6. Step 6: Final answer
    x = 62,119.81

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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.