Home / 104,457.33-144,147.11-56,709.63

Finding the Fourth Proportional to 104,457.33, 144,147.11 and 56,709.63

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Solution

The fourth proportional to 104,457.33, 144,147.11 and 56,709.63 is: 78,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,457.33 : 144,147.11 = 56,709.63 : x
  2. Step 2: Convert to fraction form
    104,457.33/144,147.11 = 56,709.63/x
  3. Step 3: Cross multiply
    104,457.33x = 144,147.11 × 56,709.63
  4. Step 4: Simplify right side
    104,457.33x = 8,174,528,990.12
  5. Step 5: Solve for x
    x = 8,174,528,990.12/104,457.33
  6. Step 6: Final answer
    x = 78,257.11

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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.