Home / 114,990.21-172,426.95-52,607.25

Finding the Fourth Proportional to 114,990.21, 172,426.95 and 52,607.25

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Solution

The fourth proportional to 114,990.21, 172,426.95 and 52,607.25 is: 78,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,990.21 : 172,426.95 = 52,607.25 : x
  2. Step 2: Convert to fraction form
    114,990.21/172,426.95 = 52,607.25/x
  3. Step 3: Cross multiply
    114,990.21x = 172,426.95 × 52,607.25
  4. Step 4: Simplify right side
    114,990.21x = 9,070,907,665.39
  5. Step 5: Solve for x
    x = 9,070,907,665.39/114,990.21
  6. Step 6: Final answer
    x = 78,884.17

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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.