Home / 76,030.40-114,175.20-53,998.40

Finding the Fourth Proportional to 76,030.40, 114,175.20 and 53,998.40

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Solution

The fourth proportional to 76,030.40, 114,175.20 and 53,998.40 is: 81,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,030.40 : 114,175.20 = 53,998.40 : x
  2. Step 2: Convert to fraction form
    76,030.40/114,175.20 = 53,998.40/x
  3. Step 3: Cross multiply
    76,030.40x = 114,175.20 × 53,998.40
  4. Step 4: Simplify right side
    76,030.40x = 6,165,278,119.68
  5. Step 5: Solve for x
    x = 6,165,278,119.68/76,030.40
  6. Step 6: Final answer
    x = 81,089.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.