Home / 117,988.48-162,810.07-67,000.83

Finding the Fourth Proportional to 117,988.48, 162,810.07 and 67,000.83

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Solution

The fourth proportional to 117,988.48, 162,810.07 and 67,000.83 is: 92,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,988.48 : 162,810.07 = 67,000.83 : x
  2. Step 2: Convert to fraction form
    117,988.48/162,810.07 = 67,000.83/x
  3. Step 3: Cross multiply
    117,988.48x = 162,810.07 × 67,000.83
  4. Step 4: Simplify right side
    117,988.48x = 10,908,409,822.36
  5. Step 5: Solve for x
    x = 10,908,409,822.36/117,988.48
  6. Step 6: Final answer
    x = 92,453.18

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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.