Home / 86,346.56-119,112.64-59,442.36

Finding the Fourth Proportional to 86,346.56, 119,112.64 and 59,442.36

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Solution

The fourth proportional to 86,346.56, 119,112.64 and 59,442.36 is: 81,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,346.56 : 119,112.64 = 59,442.36 : x
  2. Step 2: Convert to fraction form
    86,346.56/119,112.64 = 59,442.36/x
  3. Step 3: Cross multiply
    86,346.56x = 119,112.64 × 59,442.36
  4. Step 4: Simplify right side
    86,346.56x = 7,080,336,427.43
  5. Step 5: Solve for x
    x = 7,080,336,427.43/86,346.56
  6. Step 6: Final answer
    x = 81,999.06

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1.5x scale

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.