Home / 86,643.90-130,194.27-46,692.54

Finding the Fourth Proportional to 86,643.90, 130,194.27 and 46,692.54

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Solution

The fourth proportional to 86,643.90, 130,194.27 and 46,692.54 is: 70,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,643.90 : 130,194.27 = 46,692.54 : x
  2. Step 2: Convert to fraction form
    86,643.90/130,194.27 = 46,692.54/x
  3. Step 3: Cross multiply
    86,643.90x = 130,194.27 × 46,692.54
  4. Step 4: Simplify right side
    86,643.90x = 6,079,101,159.75
  5. Step 5: Solve for x
    x = 6,079,101,159.75/86,643.90
  6. Step 6: Final answer
    x = 70,161.91

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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.