Home / 58,742.65-81,107-36,111.99

Finding the Fourth Proportional to 58,742.65, 81,107 and 36,111.99

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Solution

The fourth proportional to 58,742.65, 81,107 and 36,111.99 is: 49,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.65 : 81,107 = 36,111.99 : x
  2. Step 2: Convert to fraction form
    58,742.65/81,107 = 36,111.99/x
  3. Step 3: Cross multiply
    58,742.65x = 81,107 × 36,111.99
  4. Step 4: Simplify right side
    58,742.65x = 2,928,935,172.93
  5. Step 5: Solve for x
    x = 2,928,935,172.93/58,742.65
  6. Step 6: Final answer
    x = 49,860.45

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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.