Home / 76,436.87-114,639.74-29,035.36

Finding the Fourth Proportional to 76,436.87, 114,639.74 and 29,035.36

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Solution

The fourth proportional to 76,436.87, 114,639.74 and 29,035.36 is: 43,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,436.87 : 114,639.74 = 29,035.36 : x
  2. Step 2: Convert to fraction form
    76,436.87/114,639.74 = 29,035.36/x
  3. Step 3: Cross multiply
    76,436.87x = 114,639.74 × 29,035.36
  4. Step 4: Simplify right side
    76,436.87x = 3,328,606,228.21
  5. Step 5: Solve for x
    x = 3,328,606,228.21/76,436.87
  6. Step 6: Final answer
    x = 43,547.13

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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.