Home / 102,620.07-153,938.88-36,054.45

Finding the Fourth Proportional to 102,620.07, 153,938.88 and 36,054.45

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Solution

The fourth proportional to 102,620.07, 153,938.88 and 36,054.45 is: 54,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,620.07 : 153,938.88 = 36,054.45 : x
  2. Step 2: Convert to fraction form
    102,620.07/153,938.88 = 36,054.45/x
  3. Step 3: Cross multiply
    102,620.07x = 153,938.88 × 36,054.45
  4. Step 4: Simplify right side
    102,620.07x = 5,550,181,652.02
  5. Step 5: Solve for x
    x = 5,550,181,652.02/102,620.07
  6. Step 6: Final answer
    x = 54,084.76

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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.