Home / 74,871.96-103,327.49-40,883.61

Finding the Fourth Proportional to 74,871.96, 103,327.49 and 40,883.61

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Solution

The fourth proportional to 74,871.96, 103,327.49 and 40,883.61 is: 56,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871.96 : 103,327.49 = 40,883.61 : x
  2. Step 2: Convert to fraction form
    74,871.96/103,327.49 = 40,883.61/x
  3. Step 3: Cross multiply
    74,871.96x = 103,327.49 × 40,883.61
  4. Step 4: Simplify right side
    74,871.96x = 4,224,400,364.86
  5. Step 5: Solve for x
    x = 4,224,400,364.86/74,871.96
  6. Step 6: Final answer
    x = 56,421.66

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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.