Home / 104,427.50-144,106.10-56,679.83

Finding the Fourth Proportional to 104,427.50, 144,106.10 and 56,679.83

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Solution

The fourth proportional to 104,427.50, 144,106.10 and 56,679.83 is: 78,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.50 : 144,106.10 = 56,679.83 : x
  2. Step 2: Convert to fraction form
    104,427.50/144,106.10 = 56,679.83/x
  3. Step 3: Cross multiply
    104,427.50x = 144,106.10 × 56,679.83
  4. Step 4: Simplify right side
    104,427.50x = 8,167,908,434.27
  5. Step 5: Solve for x
    x = 8,167,908,434.27/104,427.50
  6. Step 6: Final answer
    x = 78,216.07

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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.