Home / 86,201.12-129,301.44-27,036.72

Finding the Fourth Proportional to 86,201.12, 129,301.44 and 27,036.72

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Solution

The fourth proportional to 86,201.12, 129,301.44 and 27,036.72 is: 40,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,201.12 : 129,301.44 = 27,036.72 : x
  2. Step 2: Convert to fraction form
    86,201.12/129,301.44 = 27,036.72/x
  3. Step 3: Cross multiply
    86,201.12x = 129,301.44 × 27,036.72
  4. Step 4: Simplify right side
    86,201.12x = 3,495,886,828.88
  5. Step 5: Solve for x
    x = 3,495,886,828.88/86,201.12
  6. Step 6: Final answer
    x = 40,555.00

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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.