Home / 76,852.56-106,056.33-42,861.09

Finding the Fourth Proportional to 76,852.56, 106,056.33 and 42,861.09

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Solution

The fourth proportional to 76,852.56, 106,056.33 and 42,861.09 is: 59,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,852.56 : 106,056.33 = 42,861.09 : x
  2. Step 2: Convert to fraction form
    76,852.56/106,056.33 = 42,861.09/x
  3. Step 3: Cross multiply
    76,852.56x = 106,056.33 × 42,861.09
  4. Step 4: Simplify right side
    76,852.56x = 4,545,689,905.20
  5. Step 5: Solve for x
    x = 4,545,689,905.20/76,852.56
  6. Step 6: Final answer
    x = 59,148.19

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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.