Home / 80,707.08-111,400.02-52,416.84

Finding the Fourth Proportional to 80,707.08, 111,400.02 and 52,416.84

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Solution

The fourth proportional to 80,707.08, 111,400.02 and 52,416.84 is: 72,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,707.08 : 111,400.02 = 52,416.84 : x
  2. Step 2: Convert to fraction form
    80,707.08/111,400.02 = 52,416.84/x
  3. Step 3: Cross multiply
    80,707.08x = 111,400.02 × 52,416.84
  4. Step 4: Simplify right side
    80,707.08x = 5,839,237,024.34
  5. Step 5: Solve for x
    x = 5,839,237,024.34/80,707.08
  6. Step 6: Final answer
    x = 72,350.99

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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.