Home / 74,408.51-102,672.97-42,571.46

Finding the Fourth Proportional to 74,408.51, 102,672.97 and 42,571.46

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Solution

The fourth proportional to 74,408.51, 102,672.97 and 42,571.46 is: 58,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,408.51 : 102,672.97 = 42,571.46 : x
  2. Step 2: Convert to fraction form
    74,408.51/102,672.97 = 42,571.46/x
  3. Step 3: Cross multiply
    74,408.51x = 102,672.97 × 42,571.46
  4. Step 4: Simplify right side
    74,408.51x = 4,370,937,615.64
  5. Step 5: Solve for x
    x = 4,370,937,615.64/74,408.51
  6. Step 6: Final answer
    x = 58,742.45

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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.