Home / 104,457.10-156,685.29-25,570.30

Finding the Fourth Proportional to 104,457.10, 156,685.29 and 25,570.30

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Solution

The fourth proportional to 104,457.10, 156,685.29 and 25,570.30 is: 38,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,457.10 : 156,685.29 = 25,570.30 : x
  2. Step 2: Convert to fraction form
    104,457.10/156,685.29 = 25,570.30/x
  3. Step 3: Cross multiply
    104,457.10x = 156,685.29 × 25,570.30
  4. Step 4: Simplify right side
    104,457.10x = 4,006,489,870.89
  5. Step 5: Solve for x
    x = 4,006,489,870.89/104,457.10
  6. Step 6: Final answer
    x = 38,355.36

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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.