Home / 74,410.08-102,673.44-42,572.40

Finding the Fourth Proportional to 74,410.08, 102,673.44 and 42,572.40

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Solution

The fourth proportional to 74,410.08, 102,673.44 and 42,572.40 is: 58,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,410.08 : 102,673.44 = 42,572.40 : x
  2. Step 2: Convert to fraction form
    74,410.08/102,673.44 = 42,572.40/x
  3. Step 3: Cross multiply
    74,410.08x = 102,673.44 × 42,572.40
  4. Step 4: Simplify right side
    74,410.08x = 4,371,054,757.06
  5. Step 5: Solve for x
    x = 4,371,054,757.06/74,410.08
  6. Step 6: Final answer
    x = 58,742.78

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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.