Home / 87,816.02-121,185.06-47,528.82

Finding the Fourth Proportional to 87,816.02, 121,185.06 and 47,528.82

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Solution

The fourth proportional to 87,816.02, 121,185.06 and 47,528.82 is: 65,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,816.02 : 121,185.06 = 47,528.82 : x
  2. Step 2: Convert to fraction form
    87,816.02/121,185.06 = 47,528.82/x
  3. Step 3: Cross multiply
    87,816.02x = 121,185.06 × 47,528.82
  4. Step 4: Simplify right side
    87,816.02x = 5,759,782,903.43
  5. Step 5: Solve for x
    x = 5,759,782,903.43/87,816.02
  6. Step 6: Final answer
    x = 65,589.20

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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.