Home / 75,263.04-103,839.36-43,427.76

Finding the Fourth Proportional to 75,263.04, 103,839.36 and 43,427.76

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Solution

The fourth proportional to 75,263.04, 103,839.36 and 43,427.76 is: 59,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,263.04 : 103,839.36 = 43,427.76 : x
  2. Step 2: Convert to fraction form
    75,263.04/103,839.36 = 43,427.76/x
  3. Step 3: Cross multiply
    75,263.04x = 103,839.36 × 43,427.76
  4. Step 4: Simplify right side
    75,263.04x = 4,509,510,804.63
  5. Step 5: Solve for x
    x = 4,509,510,804.63/75,263.04
  6. Step 6: Final answer
    x = 59,916.67

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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.