Home / 67,400.07-101,096.46-20,653.08

Finding the Fourth Proportional to 67,400.07, 101,096.46 and 20,653.08

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Solution

The fourth proportional to 67,400.07, 101,096.46 and 20,653.08 is: 30,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,400.07 : 101,096.46 = 20,653.08 : x
  2. Step 2: Convert to fraction form
    67,400.07/101,096.46 = 20,653.08/x
  3. Step 3: Cross multiply
    67,400.07x = 101,096.46 × 20,653.08
  4. Step 4: Simplify right side
    67,400.07x = 2,087,953,276.10
  5. Step 5: Solve for x
    x = 2,087,953,276.10/67,400.07
  6. Step 6: Final answer
    x = 30,978.50

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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.