Home / 104,176.14-143,762.93-56,429.67

Finding the Fourth Proportional to 104,176.14, 143,762.93 and 56,429.67

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Solution

The fourth proportional to 104,176.14, 143,762.93 and 56,429.67 is: 77,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,176.14 : 143,762.93 = 56,429.67 : x
  2. Step 2: Convert to fraction form
    104,176.14/143,762.93 = 56,429.67/x
  3. Step 3: Cross multiply
    104,176.14x = 143,762.93 × 56,429.67
  4. Step 4: Simplify right side
    104,176.14x = 8,112,495,166.71
  5. Step 5: Solve for x
    x = 8,112,495,166.71/104,176.14
  6. Step 6: Final answer
    x = 77,872.87

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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.