Home / 104,645.25-144,412.07-56,898.72

Finding the Fourth Proportional to 104,645.25, 144,412.07 and 56,898.72

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Solution

The fourth proportional to 104,645.25, 144,412.07 and 56,898.72 is: 78,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,645.25 : 144,412.07 = 56,898.72 : x
  2. Step 2: Convert to fraction form
    104,645.25/144,412.07 = 56,898.72/x
  3. Step 3: Cross multiply
    104,645.25x = 144,412.07 × 56,898.72
  4. Step 4: Simplify right side
    104,645.25x = 8,216,861,651.06
  5. Step 5: Solve for x
    x = 8,216,861,651.06/104,645.25
  6. Step 6: Final answer
    x = 78,521.11

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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.