Home / 91,309.34-136,994.76-57,536.13

Finding the Fourth Proportional to 91,309.34, 136,994.76 and 57,536.13

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Solution

The fourth proportional to 91,309.34, 136,994.76 and 57,536.13 is: 86,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,309.34 : 136,994.76 = 57,536.13 : x
  2. Step 2: Convert to fraction form
    91,309.34/136,994.76 = 57,536.13/x
  3. Step 3: Cross multiply
    91,309.34x = 136,994.76 × 57,536.13
  4. Step 4: Simplify right side
    91,309.34x = 7,882,148,033.00
  5. Step 5: Solve for x
    x = 7,882,148,033.00/91,309.34
  6. Step 6: Final answer
    x = 86,323.57

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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.