Home / 86,164.48-118,826.76-55,917.46

Finding the Fourth Proportional to 86,164.48, 118,826.76 and 55,917.46

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Solution

The fourth proportional to 86,164.48, 118,826.76 and 55,917.46 is: 77,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,164.48 : 118,826.76 = 55,917.46 : x
  2. Step 2: Convert to fraction form
    86,164.48/118,826.76 = 55,917.46/x
  3. Step 3: Cross multiply
    86,164.48x = 118,826.76 × 55,917.46
  4. Step 4: Simplify right side
    86,164.48x = 6,644,490,599.23
  5. Step 5: Solve for x
    x = 6,644,490,599.23/86,164.48
  6. Step 6: Final answer
    x = 77,114.03

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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.