Home / 49,416.68-74,124.35-11,977.07

Finding the Fourth Proportional to 49,416.68, 74,124.35 and 11,977.07

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Solution

The fourth proportional to 49,416.68, 74,124.35 and 11,977.07 is: 17,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416.68 : 74,124.35 = 11,977.07 : x
  2. Step 2: Convert to fraction form
    49,416.68/74,124.35 = 11,977.07/x
  3. Step 3: Cross multiply
    49,416.68x = 74,124.35 × 11,977.07
  4. Step 4: Simplify right side
    49,416.68x = 887,792,627.38
  5. Step 5: Solve for x
    x = 887,792,627.38/49,416.68
  6. Step 6: Final answer
    x = 17,965.45

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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.