Home / 106,302.80-159,457.86-56,315.27

Finding the Fourth Proportional to 106,302.80, 159,457.86 and 56,315.27

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Solution

The fourth proportional to 106,302.80, 159,457.86 and 56,315.27 is: 84,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,302.80 : 159,457.86 = 56,315.27 : x
  2. Step 2: Convert to fraction form
    106,302.80/159,457.86 = 56,315.27/x
  3. Step 3: Cross multiply
    106,302.80x = 159,457.86 × 56,315.27
  4. Step 4: Simplify right side
    106,302.80x = 8,979,912,838.17
  5. Step 5: Solve for x
    x = 8,979,912,838.17/106,302.80
  6. Step 6: Final answer
    x = 84,474.85

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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.