Home / 91,669.84-126,510.23-51,383.62

Finding the Fourth Proportional to 91,669.84, 126,510.23 and 51,383.62

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Solution

The fourth proportional to 91,669.84, 126,510.23 and 51,383.62 is: 70,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,669.84 : 126,510.23 = 51,383.62 : x
  2. Step 2: Convert to fraction form
    91,669.84/126,510.23 = 51,383.62/x
  3. Step 3: Cross multiply
    91,669.84x = 126,510.23 × 51,383.62
  4. Step 4: Simplify right side
    91,669.84x = 6,500,553,014.89
  5. Step 5: Solve for x
    x = 6,500,553,014.89/91,669.84
  6. Step 6: Final answer
    x = 70,912.67

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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.