Home / 114,973.18-172,502.52-51,774.28

Finding the Fourth Proportional to 114,973.18, 172,502.52 and 51,774.28

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Solution

The fourth proportional to 114,973.18, 172,502.52 and 51,774.28 is: 77,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,973.18 : 172,502.52 = 51,774.28 : x
  2. Step 2: Convert to fraction form
    114,973.18/172,502.52 = 51,774.28/x
  3. Step 3: Cross multiply
    114,973.18x = 172,502.52 × 51,774.28
  4. Step 4: Simplify right side
    114,973.18x = 8,931,193,771.19
  5. Step 5: Solve for x
    x = 8,931,193,771.19/114,973.18
  6. Step 6: Final answer
    x = 77,680.67

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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.