Home / 104,613.12-144,365.09-56,863.62

Finding the Fourth Proportional to 104,613.12, 144,365.09 and 56,863.62

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Solution

The fourth proportional to 104,613.12, 144,365.09 and 56,863.62 is: 78,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,613.12 : 144,365.09 = 56,863.62 : x
  2. Step 2: Convert to fraction form
    104,613.12/144,365.09 = 56,863.62/x
  3. Step 3: Cross multiply
    104,613.12x = 144,365.09 × 56,863.62
  4. Step 4: Simplify right side
    104,613.12x = 8,209,121,334.71
  5. Step 5: Solve for x
    x = 8,209,121,334.71/104,613.12
  6. Step 6: Final answer
    x = 78,471.24

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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.