Home / 86,101.75-129,152.43-23,772.07

Finding the Fourth Proportional to 86,101.75, 129,152.43 and 23,772.07

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Solution

The fourth proportional to 86,101.75, 129,152.43 and 23,772.07 is: 35,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,101.75 : 129,152.43 = 23,772.07 : x
  2. Step 2: Convert to fraction form
    86,101.75/129,152.43 = 23,772.07/x
  3. Step 3: Cross multiply
    86,101.75x = 129,152.43 × 23,772.07
  4. Step 4: Simplify right side
    86,101.75x = 3,070,220,606.63
  5. Step 5: Solve for x
    x = 3,070,220,606.63/86,101.75
  6. Step 6: Final answer
    x = 35,658.05

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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.