Home / 74,748.87-103,178.43-44,543.67

Finding the Fourth Proportional to 74,748.87, 103,178.43 and 44,543.67

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Solution

The fourth proportional to 74,748.87, 103,178.43 and 44,543.67 is: 61,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.87 : 103,178.43 = 44,543.67 : x
  2. Step 2: Convert to fraction form
    74,748.87/103,178.43 = 44,543.67/x
  3. Step 3: Cross multiply
    74,748.87x = 103,178.43 × 44,543.67
  4. Step 4: Simplify right side
    74,748.87x = 4,595,945,937.04
  5. Step 5: Solve for x
    x = 4,595,945,937.04/74,748.87
  6. Step 6: Final answer
    x = 61,485.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.