Home / 86,106.93-129,160.21-23,777.25

Finding the Fourth Proportional to 86,106.93, 129,160.21 and 23,777.25

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Solution

The fourth proportional to 86,106.93, 129,160.21 and 23,777.25 is: 35,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,106.93 : 129,160.21 = 23,777.25 : x
  2. Step 2: Convert to fraction form
    86,106.93/129,160.21 = 23,777.25/x
  3. Step 3: Cross multiply
    86,106.93x = 129,160.21 × 23,777.25
  4. Step 4: Simplify right side
    86,106.93x = 3,071,074,603.22
  5. Step 5: Solve for x
    x = 3,071,074,603.22/86,106.93
  6. Step 6: Final answer
    x = 35,665.82

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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.