Home / 114,985.48-172,467.64-30,742.62

Finding the Fourth Proportional to 114,985.48, 172,467.64 and 30,742.62

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Solution

The fourth proportional to 114,985.48, 172,467.64 and 30,742.62 is: 46,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,985.48 : 172,467.64 = 30,742.62 : x
  2. Step 2: Convert to fraction form
    114,985.48/172,467.64 = 30,742.62/x
  3. Step 3: Cross multiply
    114,985.48x = 172,467.64 × 30,742.62
  4. Step 4: Simplify right side
    114,985.48x = 5,302,107,157.25
  5. Step 5: Solve for x
    x = 5,302,107,157.25/114,985.48
  6. Step 6: Final answer
    x = 46,111.10

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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.