Home / 84,494.28-116,555.40-54,284.10

Finding the Fourth Proportional to 84,494.28, 116,555.40 and 54,284.10

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Solution

The fourth proportional to 84,494.28, 116,555.40 and 54,284.10 is: 74,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,494.28 : 116,555.40 = 54,284.10 : x
  2. Step 2: Convert to fraction form
    84,494.28/116,555.40 = 54,284.10/x
  3. Step 3: Cross multiply
    84,494.28x = 116,555.40 × 54,284.10
  4. Step 4: Simplify right side
    84,494.28x = 6,327,104,989.14
  5. Step 5: Solve for x
    x = 6,327,104,989.14/84,494.28
  6. Step 6: Final answer
    x = 74,882.05

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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.