Home / 81,096.18-121,666.46-39,011.46

Finding the Fourth Proportional to 81,096.18, 121,666.46 and 39,011.46

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Solution

The fourth proportional to 81,096.18, 121,666.46 and 39,011.46 is: 58,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,096.18 : 121,666.46 = 39,011.46 : x
  2. Step 2: Convert to fraction form
    81,096.18/121,666.46 = 39,011.46/x
  3. Step 3: Cross multiply
    81,096.18x = 121,666.46 × 39,011.46
  4. Step 4: Simplify right side
    81,096.18x = 4,746,386,237.63
  5. Step 5: Solve for x
    x = 4,746,386,237.63/81,096.18
  6. Step 6: Final answer
    x = 58,527.86

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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.