Home / 76,206.04-105,168.05-45,990.82

Finding the Fourth Proportional to 76,206.04, 105,168.05 and 45,990.82

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Solution

The fourth proportional to 76,206.04, 105,168.05 and 45,990.82 is: 63,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,206.04 : 105,168.05 = 45,990.82 : x
  2. Step 2: Convert to fraction form
    76,206.04/105,168.05 = 45,990.82/x
  3. Step 3: Cross multiply
    76,206.04x = 105,168.05 × 45,990.82
  4. Step 4: Simplify right side
    76,206.04x = 4,836,764,598.40
  5. Step 5: Solve for x
    x = 4,836,764,598.40/76,206.04
  6. Step 6: Final answer
    x = 63,469.57

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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.