Home / 79,501.86-109,596.99-55,554.18

Finding the Fourth Proportional to 79,501.86, 109,596.99 and 55,554.18

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Solution

The fourth proportional to 79,501.86, 109,596.99 and 55,554.18 is: 76,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,501.86 : 109,596.99 = 55,554.18 : x
  2. Step 2: Convert to fraction form
    79,501.86/109,596.99 = 55,554.18/x
  3. Step 3: Cross multiply
    79,501.86x = 109,596.99 × 55,554.18
  4. Step 4: Simplify right side
    79,501.86x = 6,088,570,909.92
  5. Step 5: Solve for x
    x = 6,088,570,909.92/79,501.86
  6. Step 6: Final answer
    x = 76,584.01

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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.