Home / 74,405.13-102,619.67-48,937.64

Finding the Fourth Proportional to 74,405.13, 102,619.67 and 48,937.64

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Solution

The fourth proportional to 74,405.13, 102,619.67 and 48,937.64 is: 67,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,405.13 : 102,619.67 = 48,937.64 : x
  2. Step 2: Convert to fraction form
    74,405.13/102,619.67 = 48,937.64/x
  3. Step 3: Cross multiply
    74,405.13x = 102,619.67 × 48,937.64
  4. Step 4: Simplify right side
    74,405.13x = 5,021,963,902.00
  5. Step 5: Solve for x
    x = 5,021,963,902.00/74,405.13
  6. Step 6: Final answer
    x = 67,494.86

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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.