Home / 84,924.12-117,197.10-47,197.56

Finding the Fourth Proportional to 84,924.12, 117,197.10 and 47,197.56

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Solution

The fourth proportional to 84,924.12, 117,197.10 and 47,197.56 is: 65,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,924.12 : 117,197.10 = 47,197.56 : x
  2. Step 2: Convert to fraction form
    84,924.12/117,197.10 = 47,197.56/x
  3. Step 3: Cross multiply
    84,924.12x = 117,197.10 × 47,197.56
  4. Step 4: Simplify right side
    84,924.12x = 5,531,417,159.08
  5. Step 5: Solve for x
    x = 5,531,417,159.08/84,924.12
  6. Step 6: Final answer
    x = 65,133.64

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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.