Home / 86,058.38-118,759.50-48,332.63

Finding the Fourth Proportional to 86,058.38, 118,759.50 and 48,332.63

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Solution

The fourth proportional to 86,058.38, 118,759.50 and 48,332.63 is: 66,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.38 : 118,759.50 = 48,332.63 : x
  2. Step 2: Convert to fraction form
    86,058.38/118,759.50 = 48,332.63/x
  3. Step 3: Cross multiply
    86,058.38x = 118,759.50 × 48,332.63
  4. Step 4: Simplify right side
    86,058.38x = 5,739,958,378.69
  5. Step 5: Solve for x
    x = 5,739,958,378.69/86,058.38
  6. Step 6: Final answer
    x = 66,698.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.