Home / 107,054.40-147,736.26-59,308.50

Finding the Fourth Proportional to 107,054.40, 147,736.26 and 59,308.50

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Solution

The fourth proportional to 107,054.40, 147,736.26 and 59,308.50 is: 81,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,054.40 : 147,736.26 = 59,308.50 : x
  2. Step 2: Convert to fraction form
    107,054.40/147,736.26 = 59,308.50/x
  3. Step 3: Cross multiply
    107,054.40x = 147,736.26 × 59,308.50
  4. Step 4: Simplify right side
    107,054.40x = 8,762,015,976.21
  5. Step 5: Solve for x
    x = 8,762,015,976.21/107,054.40
  6. Step 6: Final answer
    x = 81,846.39

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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.