Home / 47,058.75-70,590.05-11,999.32

Finding the Fourth Proportional to 47,058.75, 70,590.05 and 11,999.32

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Solution

The fourth proportional to 47,058.75, 70,590.05 and 11,999.32 is: 17,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,058.75 : 70,590.05 = 11,999.32 : x
  2. Step 2: Convert to fraction form
    47,058.75/70,590.05 = 11,999.32/x
  3. Step 3: Cross multiply
    47,058.75x = 70,590.05 × 11,999.32
  4. Step 4: Simplify right side
    47,058.75x = 847,032,185.82
  5. Step 5: Solve for x
    x = 847,032,185.82/47,058.75
  6. Step 6: Final answer
    x = 17,999.46

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1.5x scale

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.