Home / 79,897.04-119,237.93-71,039.96

Finding the Fourth Proportional to 79,897.04, 119,237.93 and 71,039.96

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Solution

The fourth proportional to 79,897.04, 119,237.93 and 71,039.96 is: 106,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,897.04 : 119,237.93 = 71,039.96 : x
  2. Step 2: Convert to fraction form
    79,897.04/119,237.93 = 71,039.96/x
  3. Step 3: Cross multiply
    79,897.04x = 119,237.93 × 71,039.96
  4. Step 4: Simplify right side
    79,897.04x = 8,470,657,777.68
  5. Step 5: Solve for x
    x = 8,470,657,777.68/79,897.04
  6. Step 6: Final answer
    x = 106,019.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.