Home / 76,225.68-105,243.93-58,289.43

Finding the Fourth Proportional to 76,225.68, 105,243.93 and 58,289.43

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Solution

The fourth proportional to 76,225.68, 105,243.93 and 58,289.43 is: 80,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,225.68 : 105,243.93 = 58,289.43 : x
  2. Step 2: Convert to fraction form
    76,225.68/105,243.93 = 58,289.43/x
  3. Step 3: Cross multiply
    76,225.68x = 105,243.93 × 58,289.43
  4. Step 4: Simplify right side
    76,225.68x = 6,134,608,690.66
  5. Step 5: Solve for x
    x = 6,134,608,690.66/76,225.68
  6. Step 6: Final answer
    x = 80,479.55

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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.