Home / 85,248.71-117,640.64-47,008.23

Finding the Fourth Proportional to 85,248.71, 117,640.64 and 47,008.23

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Solution

The fourth proportional to 85,248.71, 117,640.64 and 47,008.23 is: 64,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248.71 : 117,640.64 = 47,008.23 : x
  2. Step 2: Convert to fraction form
    85,248.71/117,640.64 = 47,008.23/x
  3. Step 3: Cross multiply
    85,248.71x = 117,640.64 × 47,008.23
  4. Step 4: Simplify right side
    85,248.71x = 5,530,078,027.43
  5. Step 5: Solve for x
    x = 5,530,078,027.43/85,248.71
  6. Step 6: Final answer
    x = 64,869.94

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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.