Home / 55,703.24-76,869.11-31,828.37

Finding the Fourth Proportional to 55,703.24, 76,869.11 and 31,828.37

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Solution

The fourth proportional to 55,703.24, 76,869.11 and 31,828.37 is: 43,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703.24 : 76,869.11 = 31,828.37 : x
  2. Step 2: Convert to fraction form
    55,703.24/76,869.11 = 31,828.37/x
  3. Step 3: Cross multiply
    55,703.24x = 76,869.11 × 31,828.37
  4. Step 4: Simplify right side
    55,703.24x = 2,446,617,931.16
  5. Step 5: Solve for x
    x = 2,446,617,931.16/55,703.24
  6. Step 6: Final answer
    x = 43,922.37

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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.