Home / 74,740.83-103,084.02-47,885.85

Finding the Fourth Proportional to 74,740.83, 103,084.02 and 47,885.85

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Solution

The fourth proportional to 74,740.83, 103,084.02 and 47,885.85 is: 66,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,740.83 : 103,084.02 = 47,885.85 : x
  2. Step 2: Convert to fraction form
    74,740.83/103,084.02 = 47,885.85/x
  3. Step 3: Cross multiply
    74,740.83x = 103,084.02 × 47,885.85
  4. Step 4: Simplify right side
    74,740.83x = 4,936,265,919.12
  5. Step 5: Solve for x
    x = 4,936,265,919.12/74,740.83
  6. Step 6: Final answer
    x = 66,045.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.