Home / 75,585.87-104,312.81-43,325.86

Finding the Fourth Proportional to 75,585.87, 104,312.81 and 43,325.86

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Solution

The fourth proportional to 75,585.87, 104,312.81 and 43,325.86 is: 59,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,585.87 : 104,312.81 = 43,325.86 : x
  2. Step 2: Convert to fraction form
    75,585.87/104,312.81 = 43,325.86/x
  3. Step 3: Cross multiply
    75,585.87x = 104,312.81 × 43,325.86
  4. Step 4: Simplify right side
    75,585.87x = 4,519,441,741.58
  5. Step 5: Solve for x
    x = 4,519,441,741.58/75,585.87
  6. Step 6: Final answer
    x = 59,792.15

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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.