Home / 76,465.64-114,569-46,821.56

Finding the Fourth Proportional to 76,465.64, 114,569 and 46,821.56

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Solution

The fourth proportional to 76,465.64, 114,569 and 46,821.56 is: 70,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,465.64 : 114,569 = 46,821.56 : x
  2. Step 2: Convert to fraction form
    76,465.64/114,569 = 46,821.56/x
  3. Step 3: Cross multiply
    76,465.64x = 114,569 × 46,821.56
  4. Step 4: Simplify right side
    76,465.64x = 5,364,299,307.64
  5. Step 5: Solve for x
    x = 5,364,299,307.64/76,465.64
  6. Step 6: Final answer
    x = 70,153.07

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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.