Home / 76,439.40-114,659.10-58,943.40

Finding the Fourth Proportional to 76,439.40, 114,659.10 and 58,943.40

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Solution

The fourth proportional to 76,439.40, 114,659.10 and 58,943.40 is: 88,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,439.40 : 114,659.10 = 58,943.40 : x
  2. Step 2: Convert to fraction form
    76,439.40/114,659.10 = 58,943.40/x
  3. Step 3: Cross multiply
    76,439.40x = 114,659.10 × 58,943.40
  4. Step 4: Simplify right side
    76,439.40x = 6,758,397,194.94
  5. Step 5: Solve for x
    x = 6,758,397,194.94/76,439.40
  6. Step 6: Final answer
    x = 88,415.10

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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.