Home / 53,412.49-73,660.46-45,856.40

Finding the Fourth Proportional to 53,412.49, 73,660.46 and 45,856.40

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Solution

The fourth proportional to 53,412.49, 73,660.46 and 45,856.40 is: 63,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.49 : 73,660.46 = 45,856.40 : x
  2. Step 2: Convert to fraction form
    53,412.49/73,660.46 = 45,856.40/x
  3. Step 3: Cross multiply
    53,412.49x = 73,660.46 × 45,856.40
  4. Step 4: Simplify right side
    53,412.49x = 3,377,803,517.94
  5. Step 5: Solve for x
    x = 3,377,803,517.94/53,412.49
  6. Step 6: Final answer
    x = 63,239.96

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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.