Home / 86,256.93-118,398.60-76,614.69

Finding the Fourth Proportional to 86,256.93, 118,398.60 and 76,614.69

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Solution

The fourth proportional to 86,256.93, 118,398.60 and 76,614.69 is: 105,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,256.93 : 118,398.60 = 76,614.69 : x
  2. Step 2: Convert to fraction form
    86,256.93/118,398.60 = 76,614.69/x
  3. Step 3: Cross multiply
    86,256.93x = 118,398.60 × 76,614.69
  4. Step 4: Simplify right side
    86,256.93x = 9,071,072,035.43
  5. Step 5: Solve for x
    x = 9,071,072,035.43/86,256.93
  6. Step 6: Final answer
    x = 105,163.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.