Home / 67,618.80-101,428.20-46,623.60

Finding the Fourth Proportional to 67,618.80, 101,428.20 and 46,623.60

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Solution

The fourth proportional to 67,618.80, 101,428.20 and 46,623.60 is: 69,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,618.80 : 101,428.20 = 46,623.60 : x
  2. Step 2: Convert to fraction form
    67,618.80/101,428.20 = 46,623.60/x
  3. Step 3: Cross multiply
    67,618.80x = 101,428.20 × 46,623.60
  4. Step 4: Simplify right side
    67,618.80x = 4,728,947,825.52
  5. Step 5: Solve for x
    x = 4,728,947,825.52/67,618.80
  6. Step 6: Final answer
    x = 69,935.40

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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.