Home / 104,457.20-144,008.12-71,750.62

Finding the Fourth Proportional to 104,457.20, 144,008.12 and 71,750.62

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Solution

The fourth proportional to 104,457.20, 144,008.12 and 71,750.62 is: 98,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,457.20 : 144,008.12 = 71,750.62 : x
  2. Step 2: Convert to fraction form
    104,457.20/144,008.12 = 71,750.62/x
  3. Step 3: Cross multiply
    104,457.20x = 144,008.12 × 71,750.62
  4. Step 4: Simplify right side
    104,457.20x = 10,332,671,895.03
  5. Step 5: Solve for x
    x = 10,332,671,895.03/104,457.20
  6. Step 6: Final answer
    x = 98,917.76

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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.