Home / 54,431.40-75,123.53-33,222.99

Finding the Fourth Proportional to 54,431.40, 75,123.53 and 33,222.99

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Solution

The fourth proportional to 54,431.40, 75,123.53 and 33,222.99 is: 45,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.40 : 75,123.53 = 33,222.99 : x
  2. Step 2: Convert to fraction form
    54,431.40/75,123.53 = 33,222.99/x
  3. Step 3: Cross multiply
    54,431.40x = 75,123.53 × 33,222.99
  4. Step 4: Simplify right side
    54,431.40x = 2,495,828,285.95
  5. Step 5: Solve for x
    x = 2,495,828,285.95/54,431.40
  6. Step 6: Final answer
    x = 45,852.73

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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.