Home / 54,332.40-81,304.20-49,666.80

Finding the Fourth Proportional to 54,332.40, 81,304.20 and 49,666.80

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Solution

The fourth proportional to 54,332.40, 81,304.20 and 49,666.80 is: 74,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.40 : 81,304.20 = 49,666.80 : x
  2. Step 2: Convert to fraction form
    54,332.40/81,304.20 = 49,666.80/x
  3. Step 3: Cross multiply
    54,332.40x = 81,304.20 × 49,666.80
  4. Step 4: Simplify right side
    54,332.40x = 4,038,119,440.56
  5. Step 5: Solve for x
    x = 4,038,119,440.56/54,332.40
  6. Step 6: Final answer
    x = 74,322.49

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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.