Home / 91,583.55-126,381.56-51,296.67

Finding the Fourth Proportional to 91,583.55, 126,381.56 and 51,296.67

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Solution

The fourth proportional to 91,583.55, 126,381.56 and 51,296.67 is: 70,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,583.55 : 126,381.56 = 51,296.67 : x
  2. Step 2: Convert to fraction form
    91,583.55/126,381.56 = 51,296.67/x
  3. Step 3: Cross multiply
    91,583.55x = 126,381.56 × 51,296.67
  4. Step 4: Simplify right side
    91,583.55x = 6,482,952,920.92
  5. Step 5: Solve for x
    x = 6,482,952,920.92/91,583.55
  6. Step 6: Final answer
    x = 70,787.31

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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.