Home / 103,441.41-155,036.70-47,204.46

Finding the Fourth Proportional to 103,441.41, 155,036.70 and 47,204.46

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Solution

The fourth proportional to 103,441.41, 155,036.70 and 47,204.46 is: 70,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,441.41 : 155,036.70 = 47,204.46 : x
  2. Step 2: Convert to fraction form
    103,441.41/155,036.70 = 47,204.46/x
  3. Step 3: Cross multiply
    103,441.41x = 155,036.70 × 47,204.46
  4. Step 4: Simplify right side
    103,441.41x = 7,318,423,703.68
  5. Step 5: Solve for x
    x = 7,318,423,703.68/103,441.41
  6. Step 6: Final answer
    x = 70,749.46

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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.