Home / 86,276.02-129,238.85-43,555.07

Finding the Fourth Proportional to 86,276.02, 129,238.85 and 43,555.07

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Solution

The fourth proportional to 86,276.02, 129,238.85 and 43,555.07 is: 65,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276.02 : 129,238.85 = 43,555.07 : x
  2. Step 2: Convert to fraction form
    86,276.02/129,238.85 = 43,555.07/x
  3. Step 3: Cross multiply
    86,276.02x = 129,238.85 × 43,555.07
  4. Step 4: Simplify right side
    86,276.02x = 5,629,007,158.47
  5. Step 5: Solve for x
    x = 5,629,007,158.47/86,276.02
  6. Step 6: Final answer
    x = 65,244.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.