Home / 91,709.52-126,557.64-51,423.24

Finding the Fourth Proportional to 91,709.52, 126,557.64 and 51,423.24

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Solution

The fourth proportional to 91,709.52, 126,557.64 and 51,423.24 is: 70,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,709.52 : 126,557.64 = 51,423.24 : x
  2. Step 2: Convert to fraction form
    91,709.52/126,557.64 = 51,423.24/x
  3. Step 3: Cross multiply
    91,709.52x = 126,557.64 × 51,423.24
  4. Step 4: Simplify right side
    91,709.52x = 6,508,003,895.55
  5. Step 5: Solve for x
    x = 6,508,003,895.55/91,709.52
  6. Step 6: Final answer
    x = 70,963.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.