Home / 53,723.40-80,585.10-36,810.60

Finding the Fourth Proportional to 53,723.40, 80,585.10 and 36,810.60

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Solution

The fourth proportional to 53,723.40, 80,585.10 and 36,810.60 is: 55,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,723.40 : 80,585.10 = 36,810.60 : x
  2. Step 2: Convert to fraction form
    53,723.40/80,585.10 = 36,810.60/x
  3. Step 3: Cross multiply
    53,723.40x = 80,585.10 × 36,810.60
  4. Step 4: Simplify right side
    53,723.40x = 2,966,385,882.06
  5. Step 5: Solve for x
    x = 2,966,385,882.06/53,723.40
  6. Step 6: Final answer
    x = 55,215.90

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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.