Home / 74,173.93-111,210.22-35,685.11

Finding the Fourth Proportional to 74,173.93, 111,210.22 and 35,685.11

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Solution

The fourth proportional to 74,173.93, 111,210.22 and 35,685.11 is: 53,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,173.93 : 111,210.22 = 35,685.11 : x
  2. Step 2: Convert to fraction form
    74,173.93/111,210.22 = 35,685.11/x
  3. Step 3: Cross multiply
    74,173.93x = 111,210.22 × 35,685.11
  4. Step 4: Simplify right side
    74,173.93x = 3,968,548,430.17
  5. Step 5: Solve for x
    x = 3,968,548,430.17/74,173.93
  6. Step 6: Final answer
    x = 53,503.28

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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.