Home / 83,464.83-115,118.64-57,971.25

Finding the Fourth Proportional to 83,464.83, 115,118.64 and 57,971.25

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Solution

The fourth proportional to 83,464.83, 115,118.64 and 57,971.25 is: 79,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,464.83 : 115,118.64 = 57,971.25 : x
  2. Step 2: Convert to fraction form
    83,464.83/115,118.64 = 57,971.25/x
  3. Step 3: Cross multiply
    83,464.83x = 115,118.64 × 57,971.25
  4. Step 4: Simplify right side
    83,464.83x = 6,673,571,459.10
  5. Step 5: Solve for x
    x = 6,673,571,459.10/83,464.83
  6. Step 6: Final answer
    x = 79,956.69

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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.