Home / 74,088.84-111,133.08-18,684.84

Finding the Fourth Proportional to 74,088.84, 111,133.08 and 18,684.84

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Solution

The fourth proportional to 74,088.84, 111,133.08 and 18,684.84 is: 28,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088.84 : 111,133.08 = 18,684.84 : x
  2. Step 2: Convert to fraction form
    74,088.84/111,133.08 = 18,684.84/x
  3. Step 3: Cross multiply
    74,088.84x = 111,133.08 × 18,684.84
  4. Step 4: Simplify right side
    74,088.84x = 2,076,503,818.51
  5. Step 5: Solve for x
    x = 2,076,503,818.51/74,088.84
  6. Step 6: Final answer
    x = 28,027.21

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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.