Home / 103,441.73-155,159.51-28,566.45

Finding the Fourth Proportional to 103,441.73, 155,159.51 and 28,566.45

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Solution

The fourth proportional to 103,441.73, 155,159.51 and 28,566.45 is: 42,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,441.73 : 155,159.51 = 28,566.45 : x
  2. Step 2: Convert to fraction form
    103,441.73/155,159.51 = 28,566.45/x
  3. Step 3: Cross multiply
    103,441.73x = 155,159.51 × 28,566.45
  4. Step 4: Simplify right side
    103,441.73x = 4,432,356,384.44
  5. Step 5: Solve for x
    x = 4,432,356,384.44/103,441.73
  6. Step 6: Final answer
    x = 42,848.82

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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.