Home / 104,624.08-144,379.53-56,878.62

Finding the Fourth Proportional to 104,624.08, 144,379.53 and 56,878.62

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Solution

The fourth proportional to 104,624.08, 144,379.53 and 56,878.62 is: 78,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,624.08 : 144,379.53 = 56,878.62 : x
  2. Step 2: Convert to fraction form
    104,624.08/144,379.53 = 56,878.62/x
  3. Step 3: Cross multiply
    104,624.08x = 144,379.53 × 56,878.62
  4. Step 4: Simplify right side
    104,624.08x = 8,212,108,422.65
  5. Step 5: Solve for x
    x = 8,212,108,422.65/104,624.08
  6. Step 6: Final answer
    x = 78,491.57

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1.5x scale

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.