Home / 83,760.80-115,585.64-46,036.40

Finding the Fourth Proportional to 83,760.80, 115,585.64 and 46,036.40

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Solution

The fourth proportional to 83,760.80, 115,585.64 and 46,036.40 is: 63,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,760.80 : 115,585.64 = 46,036.40 : x
  2. Step 2: Convert to fraction form
    83,760.80/115,585.64 = 46,036.40/x
  3. Step 3: Cross multiply
    83,760.80x = 115,585.64 × 46,036.40
  4. Step 4: Simplify right side
    83,760.80x = 5,321,146,757.30
  5. Step 5: Solve for x
    x = 5,321,146,757.30/83,760.80
  6. Step 6: Final answer
    x = 63,527.89

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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.