Home / 111,742.53-167,503.08-52,472.10

Finding the Fourth Proportional to 111,742.53, 167,503.08 and 52,472.10

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Solution

The fourth proportional to 111,742.53, 167,503.08 and 52,472.10 is: 78,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,742.53 : 167,503.08 = 52,472.10 : x
  2. Step 2: Convert to fraction form
    111,742.53/167,503.08 = 52,472.10/x
  3. Step 3: Cross multiply
    111,742.53x = 167,503.08 × 52,472.10
  4. Step 4: Simplify right side
    111,742.53x = 8,789,238,364.07
  5. Step 5: Solve for x
    x = 8,789,238,364.07/111,742.53
  6. Step 6: Final answer
    x = 78,656.16

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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.