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Finding the Fourth Proportional to 85,347.68, 117,800.88 and 51,841.76

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Solution

The fourth proportional to 85,347.68, 117,800.88 and 51,841.76 is: 71,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,347.68 : 117,800.88 = 51,841.76 : x
  2. Step 2: Convert to fraction form
    85,347.68/117,800.88 = 51,841.76/x
  3. Step 3: Cross multiply
    85,347.68x = 117,800.88 × 51,841.76
  4. Step 4: Simplify right side
    85,347.68x = 6,107,004,948.75
  5. Step 5: Solve for x
    x = 6,107,004,948.75/85,347.68
  6. Step 6: Final answer
    x = 71,554.43

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1.5x scale

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.