Home / 46,975.16-70,464-11,917.56

Finding the Fourth Proportional to 46,975.16, 70,464 and 11,917.56

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Solution

The fourth proportional to 46,975.16, 70,464 and 11,917.56 is: 17,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,975.16 : 70,464 = 11,917.56 : x
  2. Step 2: Convert to fraction form
    46,975.16/70,464 = 11,917.56/x
  3. Step 3: Cross multiply
    46,975.16x = 70,464 × 11,917.56
  4. Step 4: Simplify right side
    46,975.16x = 839,758,947.84
  5. Step 5: Solve for x
    x = 839,758,947.84/46,975.16
  6. Step 6: Final answer
    x = 17,876.66

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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.