Home / 58,648.13-80,934.56-31,790.51

Finding the Fourth Proportional to 58,648.13, 80,934.56 and 31,790.51

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Solution

The fourth proportional to 58,648.13, 80,934.56 and 31,790.51 is: 43,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,648.13 : 80,934.56 = 31,790.51 : x
  2. Step 2: Convert to fraction form
    58,648.13/80,934.56 = 31,790.51/x
  3. Step 3: Cross multiply
    58,648.13x = 80,934.56 × 31,790.51
  4. Step 4: Simplify right side
    58,648.13x = 2,572,950,982.41
  5. Step 5: Solve for x
    x = 2,572,950,982.41/58,648.13
  6. Step 6: Final answer
    x = 43,870.98

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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.