Home / 81,176.34-112,027.60-48,921.06

Finding the Fourth Proportional to 81,176.34, 112,027.60 and 48,921.06

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Solution

The fourth proportional to 81,176.34, 112,027.60 and 48,921.06 is: 67,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.34 : 112,027.60 = 48,921.06 : x
  2. Step 2: Convert to fraction form
    81,176.34/112,027.60 = 48,921.06/x
  3. Step 3: Cross multiply
    81,176.34x = 112,027.60 × 48,921.06
  4. Step 4: Simplify right side
    81,176.34x = 5,480,508,941.26
  5. Step 5: Solve for x
    x = 5,480,508,941.26/81,176.34
  6. Step 6: Final answer
    x = 67,513.62

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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.