Home / 51,706.81-71,353.50-31,597.35

Finding the Fourth Proportional to 51,706.81, 71,353.50 and 31,597.35

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Solution

The fourth proportional to 51,706.81, 71,353.50 and 31,597.35 is: 43,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,706.81 : 71,353.50 = 31,597.35 : x
  2. Step 2: Convert to fraction form
    51,706.81/71,353.50 = 31,597.35/x
  3. Step 3: Cross multiply
    51,706.81x = 71,353.50 × 31,597.35
  4. Step 4: Simplify right side
    51,706.81x = 2,254,581,513.23
  5. Step 5: Solve for x
    x = 2,254,581,513.23/51,706.81
  6. Step 6: Final answer
    x = 43,603.18

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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.