Home / 58,767.87-81,101.07-31,911.51

Finding the Fourth Proportional to 58,767.87, 81,101.07 and 31,911.51

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Solution

The fourth proportional to 58,767.87, 81,101.07 and 31,911.51 is: 44,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,767.87 : 81,101.07 = 31,911.51 : x
  2. Step 2: Convert to fraction form
    58,767.87/81,101.07 = 31,911.51/x
  3. Step 3: Cross multiply
    58,767.87x = 81,101.07 × 31,911.51
  4. Step 4: Simplify right side
    58,767.87x = 2,588,057,606.32
  5. Step 5: Solve for x
    x = 2,588,057,606.32/58,767.87
  6. Step 6: Final answer
    x = 44,038.65

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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.