Home / 85,365.08-117,800.73-47,123.81

Finding the Fourth Proportional to 85,365.08, 117,800.73 and 47,123.81

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Solution

The fourth proportional to 85,365.08, 117,800.73 and 47,123.81 is: 65,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,365.08 : 117,800.73 = 47,123.81 : x
  2. Step 2: Convert to fraction form
    85,365.08/117,800.73 = 47,123.81/x
  3. Step 3: Cross multiply
    85,365.08x = 117,800.73 × 47,123.81
  4. Step 4: Simplify right side
    85,365.08x = 5,551,219,306.73
  5. Step 5: Solve for x
    x = 5,551,219,306.73/85,365.08
  6. Step 6: Final answer
    x = 65,029.16

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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.