Home / 54,450.38-81,598.95-43,307.61

Finding the Fourth Proportional to 54,450.38, 81,598.95 and 43,307.61

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Solution

The fourth proportional to 54,450.38, 81,598.95 and 43,307.61 is: 64,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.38 : 81,598.95 = 43,307.61 : x
  2. Step 2: Convert to fraction form
    54,450.38/81,598.95 = 43,307.61/x
  3. Step 3: Cross multiply
    54,450.38x = 81,598.95 × 43,307.61
  4. Step 4: Simplify right side
    54,450.38x = 3,533,855,503.01
  5. Step 5: Solve for x
    x = 3,533,855,503.01/54,450.38
  6. Step 6: Final answer
    x = 64,900.48

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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.