Home / 83,855.04-115,723.20-46,130.88

Finding the Fourth Proportional to 83,855.04, 115,723.20 and 46,130.88

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Solution

The fourth proportional to 83,855.04, 115,723.20 and 46,130.88 is: 63,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,855.04 : 115,723.20 = 46,130.88 : x
  2. Step 2: Convert to fraction form
    83,855.04/115,723.20 = 46,130.88/x
  3. Step 3: Cross multiply
    83,855.04x = 115,723.20 × 46,130.88
  4. Step 4: Simplify right side
    83,855.04x = 5,338,413,052.42
  5. Step 5: Solve for x
    x = 5,338,413,052.42/83,855.04
  6. Step 6: Final answer
    x = 63,662.40

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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.