Home / 117,237.10-161,768.90-69,482.74

Finding the Fourth Proportional to 117,237.10, 161,768.90 and 69,482.74

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Solution

The fourth proportional to 117,237.10, 161,768.90 and 69,482.74 is: 95,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,237.10 : 161,768.90 = 69,482.74 : x
  2. Step 2: Convert to fraction form
    117,237.10/161,768.90 = 69,482.74/x
  3. Step 3: Cross multiply
    117,237.10x = 161,768.90 × 69,482.74
  4. Step 4: Simplify right side
    117,237.10x = 11,240,146,418.79
  5. Step 5: Solve for x
    x = 11,240,146,418.79/117,237.10
  6. Step 6: Final answer
    x = 95,875.34

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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.