Home / 70,134.85-105,192.15-41,688.46

Finding the Fourth Proportional to 70,134.85, 105,192.15 and 41,688.46

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Solution

The fourth proportional to 70,134.85, 105,192.15 and 41,688.46 is: 62,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,134.85 : 105,192.15 = 41,688.46 : x
  2. Step 2: Convert to fraction form
    70,134.85/105,192.15 = 41,688.46/x
  3. Step 3: Cross multiply
    70,134.85x = 105,192.15 × 41,688.46
  4. Step 4: Simplify right side
    70,134.85x = 4,385,298,737.59
  5. Step 5: Solve for x
    x = 4,385,298,737.59/70,134.85
  6. Step 6: Final answer
    x = 62,526.67

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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.