Home / 50,069.12-75,076.74-20,068.30

Finding the Fourth Proportional to 50,069.12, 75,076.74 and 20,068.30

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Solution

The fourth proportional to 50,069.12, 75,076.74 and 20,068.30 is: 30,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,069.12 : 75,076.74 = 20,068.30 : x
  2. Step 2: Convert to fraction form
    50,069.12/75,076.74 = 20,068.30/x
  3. Step 3: Cross multiply
    50,069.12x = 75,076.74 × 20,068.30
  4. Step 4: Simplify right side
    50,069.12x = 1,506,662,541.34
  5. Step 5: Solve for x
    x = 1,506,662,541.34/50,069.12
  6. Step 6: Final answer
    x = 30,091.65

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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.