Home / 114,871.66-172,307.64-55,716.04

Finding the Fourth Proportional to 114,871.66, 172,307.64 and 55,716.04

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Solution

The fourth proportional to 114,871.66, 172,307.64 and 55,716.04 is: 83,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,871.66 : 172,307.64 = 55,716.04 : x
  2. Step 2: Convert to fraction form
    114,871.66/172,307.64 = 55,716.04/x
  3. Step 3: Cross multiply
    114,871.66x = 172,307.64 × 55,716.04
  4. Step 4: Simplify right side
    114,871.66x = 9,600,299,362.55
  5. Step 5: Solve for x
    x = 9,600,299,362.55/114,871.66
  6. Step 6: Final answer
    x = 83,574.13

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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.