Home / 81,527.10-122,289.93-26,123.10

Finding the Fourth Proportional to 81,527.10, 122,289.93 and 26,123.10

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Solution

The fourth proportional to 81,527.10, 122,289.93 and 26,123.10 is: 39,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,527.10 : 122,289.93 = 26,123.10 : x
  2. Step 2: Convert to fraction form
    81,527.10/122,289.93 = 26,123.10/x
  3. Step 3: Cross multiply
    81,527.10x = 122,289.93 × 26,123.10
  4. Step 4: Simplify right side
    81,527.10x = 3,194,592,070.38
  5. Step 5: Solve for x
    x = 3,194,592,070.38/81,527.10
  6. Step 6: Final answer
    x = 39,184.42

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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.