Home / 74,576.34-102,917.55-40,587.25

Finding the Fourth Proportional to 74,576.34, 102,917.55 and 40,587.25

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Solution

The fourth proportional to 74,576.34, 102,917.55 and 40,587.25 is: 56,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,576.34 : 102,917.55 = 40,587.25 : x
  2. Step 2: Convert to fraction form
    74,576.34/102,917.55 = 40,587.25/x
  3. Step 3: Cross multiply
    74,576.34x = 102,917.55 × 40,587.25
  4. Step 4: Simplify right side
    74,576.34x = 4,177,140,331.24
  5. Step 5: Solve for x
    x = 4,177,140,331.24/74,576.34
  6. Step 6: Final answer
    x = 56,011.60

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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.