Home / 58,812.40-81,162.30-31,956.65

Finding the Fourth Proportional to 58,812.40, 81,162.30 and 31,956.65

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Solution

The fourth proportional to 58,812.40, 81,162.30 and 31,956.65 is: 44,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,812.40 : 81,162.30 = 31,956.65 : x
  2. Step 2: Convert to fraction form
    58,812.40/81,162.30 = 31,956.65/x
  3. Step 3: Cross multiply
    58,812.40x = 81,162.30 × 31,956.65
  4. Step 4: Simplify right side
    58,812.40x = 2,593,674,808.48
  5. Step 5: Solve for x
    x = 2,593,674,808.48/58,812.40
  6. Step 6: Final answer
    x = 44,100.82

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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.