Home / 104,315.29-143,955.14-56,568.62

Finding the Fourth Proportional to 104,315.29, 143,955.14 and 56,568.62

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Solution

The fourth proportional to 104,315.29, 143,955.14 and 56,568.62 is: 78,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,315.29 : 143,955.14 = 56,568.62 : x
  2. Step 2: Convert to fraction form
    104,315.29/143,955.14 = 56,568.62/x
  3. Step 3: Cross multiply
    104,315.29x = 143,955.14 × 56,568.62
  4. Step 4: Simplify right side
    104,315.29x = 8,143,343,688.75
  5. Step 5: Solve for x
    x = 8,143,343,688.75/104,315.29
  6. Step 6: Final answer
    x = 78,064.72

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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.