Home / 103,504.02-155,255.70-28,623.98

Finding the Fourth Proportional to 103,504.02, 155,255.70 and 28,623.98

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Solution

The fourth proportional to 103,504.02, 155,255.70 and 28,623.98 is: 42,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,504.02 : 155,255.70 = 28,623.98 : x
  2. Step 2: Convert to fraction form
    103,504.02/155,255.70 = 28,623.98/x
  3. Step 3: Cross multiply
    103,504.02x = 155,255.70 × 28,623.98
  4. Step 4: Simplify right side
    103,504.02x = 4,444,036,051.69
  5. Step 5: Solve for x
    x = 4,444,036,051.69/103,504.02
  6. Step 6: Final answer
    x = 42,935.88

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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.