Home / 66,660.84-99,880.50-46,897.86

Finding the Fourth Proportional to 66,660.84, 99,880.50 and 46,897.86

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Solution

The fourth proportional to 66,660.84, 99,880.50 and 46,897.86 is: 70,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,660.84 : 99,880.50 = 46,897.86 : x
  2. Step 2: Convert to fraction form
    66,660.84/99,880.50 = 46,897.86/x
  3. Step 3: Cross multiply
    66,660.84x = 99,880.50 × 46,897.86
  4. Step 4: Simplify right side
    66,660.84x = 4,684,181,705.73
  5. Step 5: Solve for x
    x = 4,684,181,705.73/66,660.84
  6. Step 6: Final answer
    x = 70,268.87

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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.