Home / 74,581.21-102,926.67-42,754.90

Finding the Fourth Proportional to 74,581.21, 102,926.67 and 42,754.90

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Solution

The fourth proportional to 74,581.21, 102,926.67 and 42,754.90 is: 59,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,581.21 : 102,926.67 = 42,754.90 : x
  2. Step 2: Convert to fraction form
    74,581.21/102,926.67 = 42,754.90/x
  3. Step 3: Cross multiply
    74,581.21x = 102,926.67 × 42,754.90
  4. Step 4: Simplify right side
    74,581.21x = 4,400,619,483.18
  5. Step 5: Solve for x
    x = 4,400,619,483.18/74,581.21
  6. Step 6: Final answer
    x = 59,004.40

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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.