Home / 86,740.02-119,694.56-52,743.84

Finding the Fourth Proportional to 86,740.02, 119,694.56 and 52,743.84

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Solution

The fourth proportional to 86,740.02, 119,694.56 and 52,743.84 is: 72,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,740.02 : 119,694.56 = 52,743.84 : x
  2. Step 2: Convert to fraction form
    86,740.02/119,694.56 = 52,743.84/x
  3. Step 3: Cross multiply
    86,740.02x = 119,694.56 × 52,743.84
  4. Step 4: Simplify right side
    86,740.02x = 6,313,150,457.79
  5. Step 5: Solve for x
    x = 6,313,150,457.79/86,740.02
  6. Step 6: Final answer
    x = 72,782.44

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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.