Home / 91,730.55-126,588.38-53,516.37

Finding the Fourth Proportional to 91,730.55, 126,588.38 and 53,516.37

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Solution

The fourth proportional to 91,730.55, 126,588.38 and 53,516.37 is: 73,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730.55 : 126,588.38 = 53,516.37 : x
  2. Step 2: Convert to fraction form
    91,730.55/126,588.38 = 53,516.37/x
  3. Step 3: Cross multiply
    91,730.55x = 126,588.38 × 53,516.37
  4. Step 4: Simplify right side
    91,730.55x = 6,774,550,581.78
  5. Step 5: Solve for x
    x = 6,774,550,581.78/91,730.55
  6. Step 6: Final answer
    x = 73,852.72

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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.