Home / 84,725.55-127,005.69-40,340.38

Finding the Fourth Proportional to 84,725.55, 127,005.69 and 40,340.38

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Solution

The fourth proportional to 84,725.55, 127,005.69 and 40,340.38 is: 60,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725.55 : 127,005.69 = 40,340.38 : x
  2. Step 2: Convert to fraction form
    84,725.55/127,005.69 = 40,340.38/x
  3. Step 3: Cross multiply
    84,725.55x = 127,005.69 × 40,340.38
  4. Step 4: Simplify right side
    84,725.55x = 5,123,457,796.76
  5. Step 5: Solve for x
    x = 5,123,457,796.76/84,725.55
  6. Step 6: Final answer
    x = 60,471.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.