Home / 86,887.08-120,030.66-58,716.36

Finding the Fourth Proportional to 86,887.08, 120,030.66 and 58,716.36

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Solution

The fourth proportional to 86,887.08, 120,030.66 and 58,716.36 is: 81,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,887.08 : 120,030.66 = 58,716.36 : x
  2. Step 2: Convert to fraction form
    86,887.08/120,030.66 = 58,716.36/x
  3. Step 3: Cross multiply
    86,887.08x = 120,030.66 × 58,716.36
  4. Step 4: Simplify right side
    86,887.08x = 7,047,763,443.60
  5. Step 5: Solve for x
    x = 7,047,763,443.60/86,887.08
  6. Step 6: Final answer
    x = 81,114.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.