Home / 103,598.33-155,382.09-28,710.66

Finding the Fourth Proportional to 103,598.33, 155,382.09 and 28,710.66

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Solution

The fourth proportional to 103,598.33, 155,382.09 and 28,710.66 is: 43,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,598.33 : 155,382.09 = 28,710.66 : x
  2. Step 2: Convert to fraction form
    103,598.33/155,382.09 = 28,710.66/x
  3. Step 3: Cross multiply
    103,598.33x = 155,382.09 × 28,710.66
  4. Step 4: Simplify right side
    103,598.33x = 4,461,122,356.08
  5. Step 5: Solve for x
    x = 4,461,122,356.08/103,598.33
  6. Step 6: Final answer
    x = 43,061.72

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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.