Home / 117,631.18-176,347.59-51,021.15

Finding the Fourth Proportional to 117,631.18, 176,347.59 and 51,021.15

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Solution

The fourth proportional to 117,631.18, 176,347.59 and 51,021.15 is: 76,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,631.18 : 176,347.59 = 51,021.15 : x
  2. Step 2: Convert to fraction form
    117,631.18/176,347.59 = 51,021.15/x
  3. Step 3: Cross multiply
    117,631.18x = 176,347.59 × 51,021.15
  4. Step 4: Simplify right side
    117,631.18x = 8,997,455,988.90
  5. Step 5: Solve for x
    x = 8,997,455,988.90/117,631.18
  6. Step 6: Final answer
    x = 76,488.70

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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.