Home / 54,178.80-74,812.88-34,069.32

Finding the Fourth Proportional to 54,178.80, 74,812.88 and 34,069.32

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Solution

The fourth proportional to 54,178.80, 74,812.88 and 34,069.32 is: 47,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,178.80 : 74,812.88 = 34,069.32 : x
  2. Step 2: Convert to fraction form
    54,178.80/74,812.88 = 34,069.32/x
  3. Step 3: Cross multiply
    54,178.80x = 74,812.88 × 34,069.32
  4. Step 4: Simplify right side
    54,178.80x = 2,548,823,948.84
  5. Step 5: Solve for x
    x = 2,548,823,948.84/54,178.80
  6. Step 6: Final answer
    x = 47,044.67

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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.