Home / 114,678.56-172,017.84-64,805.24

Finding the Fourth Proportional to 114,678.56, 172,017.84 and 64,805.24

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Solution

The fourth proportional to 114,678.56, 172,017.84 and 64,805.24 is: 97,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,678.56 : 172,017.84 = 64,805.24 : x
  2. Step 2: Convert to fraction form
    114,678.56/172,017.84 = 64,805.24/x
  3. Step 3: Cross multiply
    114,678.56x = 172,017.84 × 64,805.24
  4. Step 4: Simplify right side
    114,678.56x = 11,147,657,405.48
  5. Step 5: Solve for x
    x = 11,147,657,405.48/114,678.56
  6. Step 6: Final answer
    x = 97,207.86

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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.