Home / 58,723.11-81,038.48-31,865.84

Finding the Fourth Proportional to 58,723.11, 81,038.48 and 31,865.84

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Solution

The fourth proportional to 58,723.11, 81,038.48 and 31,865.84 is: 43,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,723.11 : 81,038.48 = 31,865.84 : x
  2. Step 2: Convert to fraction form
    58,723.11/81,038.48 = 31,865.84/x
  3. Step 3: Cross multiply
    58,723.11x = 81,038.48 × 31,865.84
  4. Step 4: Simplify right side
    58,723.11x = 2,582,358,976.90
  5. Step 5: Solve for x
    x = 2,582,358,976.90/58,723.11
  6. Step 6: Final answer
    x = 43,975.17

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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.