Home / 84,089.26-115,977.54-53,877.40

Finding the Fourth Proportional to 84,089.26, 115,977.54 and 53,877.40

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Solution

The fourth proportional to 84,089.26, 115,977.54 and 53,877.40 is: 74,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,089.26 : 115,977.54 = 53,877.40 : x
  2. Step 2: Convert to fraction form
    84,089.26/115,977.54 = 53,877.40/x
  3. Step 3: Cross multiply
    84,089.26x = 115,977.54 × 53,877.40
  4. Step 4: Simplify right side
    84,089.26x = 6,248,568,313.60
  5. Step 5: Solve for x
    x = 6,248,568,313.60/84,089.26
  6. Step 6: Final answer
    x = 74,308.76

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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.