Home / 103,835.02-155,752.54-28,952.14

Finding the Fourth Proportional to 103,835.02, 155,752.54 and 28,952.14

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Solution

The fourth proportional to 103,835.02, 155,752.54 and 28,952.14 is: 43,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,835.02 : 155,752.54 = 28,952.14 : x
  2. Step 2: Convert to fraction form
    103,835.02/155,752.54 = 28,952.14/x
  3. Step 3: Cross multiply
    103,835.02x = 155,752.54 × 28,952.14
  4. Step 4: Simplify right side
    103,835.02x = 4,509,369,343.44
  5. Step 5: Solve for x
    x = 4,509,369,343.44/103,835.02
  6. Step 6: Final answer
    x = 43,428.21

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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.