Home / 86,155.09-129,232.51-26,995.36

Finding the Fourth Proportional to 86,155.09, 129,232.51 and 26,995.36

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Solution

The fourth proportional to 86,155.09, 129,232.51 and 26,995.36 is: 40,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,155.09 : 129,232.51 = 26,995.36 : x
  2. Step 2: Convert to fraction form
    86,155.09/129,232.51 = 26,995.36/x
  3. Step 3: Cross multiply
    86,155.09x = 129,232.51 × 26,995.36
  4. Step 4: Simplify right side
    86,155.09x = 3,488,678,131.15
  5. Step 5: Solve for x
    x = 3,488,678,131.15/86,155.09
  6. Step 6: Final answer
    x = 40,493.00

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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.