Home / 86,225.28-118,889.12-59,014.50

Finding the Fourth Proportional to 86,225.28, 118,889.12 and 59,014.50

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Solution

The fourth proportional to 86,225.28, 118,889.12 and 59,014.50 is: 81,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.28 : 118,889.12 = 59,014.50 : x
  2. Step 2: Convert to fraction form
    86,225.28/118,889.12 = 59,014.50/x
  3. Step 3: Cross multiply
    86,225.28x = 118,889.12 × 59,014.50
  4. Step 4: Simplify right side
    86,225.28x = 7,016,181,676.36
  5. Step 5: Solve for x
    x = 7,016,181,676.36/86,225.28
  6. Step 6: Final answer
    x = 81,370.35

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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.