Home / 67,062.08-100,603.56-20,303.84

Finding the Fourth Proportional to 67,062.08, 100,603.56 and 20,303.84

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Solution

The fourth proportional to 67,062.08, 100,603.56 and 20,303.84 is: 30,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,062.08 : 100,603.56 = 20,303.84 : x
  2. Step 2: Convert to fraction form
    67,062.08/100,603.56 = 20,303.84/x
  3. Step 3: Cross multiply
    67,062.08x = 100,603.56 × 20,303.84
  4. Step 4: Simplify right side
    67,062.08x = 2,042,638,585.67
  5. Step 5: Solve for x
    x = 2,042,638,585.67/67,062.08
  6. Step 6: Final answer
    x = 30,458.92

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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.