Home / 45,176.79-62,323.09-31,755.81

Finding the Fourth Proportional to 45,176.79, 62,323.09 and 31,755.81

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Solution

The fourth proportional to 45,176.79, 62,323.09 and 31,755.81 is: 43,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,176.79 : 62,323.09 = 31,755.81 : x
  2. Step 2: Convert to fraction form
    45,176.79/62,323.09 = 31,755.81/x
  3. Step 3: Cross multiply
    45,176.79x = 62,323.09 × 31,755.81
  4. Step 4: Simplify right side
    45,176.79x = 1,979,120,358.97
  5. Step 5: Solve for x
    x = 1,979,120,358.97/45,176.79
  6. Step 6: Final answer
    x = 43,808.35

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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.