Home / 117,721.63-176,482.90-51,111.37

Finding the Fourth Proportional to 117,721.63, 176,482.90 and 51,111.37

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Solution

The fourth proportional to 117,721.63, 176,482.90 and 51,111.37 is: 76,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,721.63 : 176,482.90 = 51,111.37 : x
  2. Step 2: Convert to fraction form
    117,721.63/176,482.90 = 51,111.37/x
  3. Step 3: Cross multiply
    117,721.63x = 176,482.90 × 51,111.37
  4. Step 4: Simplify right side
    117,721.63x = 9,020,282,800.57
  5. Step 5: Solve for x
    x = 9,020,282,800.57/117,721.63
  6. Step 6: Final answer
    x = 76,623.84

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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.