Home / 58,705.07-87,979.73-31,982.51

Finding the Fourth Proportional to 58,705.07, 87,979.73 and 31,982.51

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Solution

The fourth proportional to 58,705.07, 87,979.73 and 31,982.51 is: 47,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,705.07 : 87,979.73 = 31,982.51 : x
  2. Step 2: Convert to fraction form
    58,705.07/87,979.73 = 31,982.51/x
  3. Step 3: Cross multiply
    58,705.07x = 87,979.73 × 31,982.51
  4. Step 4: Simplify right side
    58,705.07x = 2,813,811,994.71
  5. Step 5: Solve for x
    x = 2,813,811,994.71/58,705.07
  6. Step 6: Final answer
    x = 47,931.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.