Home / 85,096.17-117,432.68-47,379.33

Finding the Fourth Proportional to 85,096.17, 117,432.68 and 47,379.33

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Solution

The fourth proportional to 85,096.17, 117,432.68 and 47,379.33 is: 65,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,096.17 : 117,432.68 = 47,379.33 : x
  2. Step 2: Convert to fraction form
    85,096.17/117,432.68 = 47,379.33/x
  3. Step 3: Cross multiply
    85,096.17x = 117,432.68 × 47,379.33
  4. Step 4: Simplify right side
    85,096.17x = 5,563,881,461.61
  5. Step 5: Solve for x
    x = 5,563,881,461.61/85,096.17
  6. Step 6: Final answer
    x = 65,383.45

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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.