Home / 46,977.12-70,468.16-11,917.08

Finding the Fourth Proportional to 46,977.12, 70,468.16 and 11,917.08

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Solution

The fourth proportional to 46,977.12, 70,468.16 and 11,917.08 is: 17,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,977.12 : 70,468.16 = 11,917.08 : x
  2. Step 2: Convert to fraction form
    46,977.12/70,468.16 = 11,917.08/x
  3. Step 3: Cross multiply
    46,977.12x = 70,468.16 × 11,917.08
  4. Step 4: Simplify right side
    46,977.12x = 839,774,640.59
  5. Step 5: Solve for x
    x = 839,774,640.59/46,977.12
  6. Step 6: Final answer
    x = 17,876.25

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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.