Home / 104,637.92-144,400.68-56,891.12

Finding the Fourth Proportional to 104,637.92, 144,400.68 and 56,891.12

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Solution

The fourth proportional to 104,637.92, 144,400.68 and 56,891.12 is: 78,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637.92 : 144,400.68 = 56,891.12 : x
  2. Step 2: Convert to fraction form
    104,637.92/144,400.68 = 56,891.12/x
  3. Step 3: Cross multiply
    104,637.92x = 144,400.68 × 56,891.12
  4. Step 4: Simplify right side
    104,637.92x = 8,215,116,413.96
  5. Step 5: Solve for x
    x = 8,215,116,413.96/104,637.92
  6. Step 6: Final answer
    x = 78,509.94

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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.