Home / 70,579.40-97,381.32-42,265.04

Finding the Fourth Proportional to 70,579.40, 97,381.32 and 42,265.04

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Solution

The fourth proportional to 70,579.40, 97,381.32 and 42,265.04 is: 58,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,579.40 : 97,381.32 = 42,265.04 : x
  2. Step 2: Convert to fraction form
    70,579.40/97,381.32 = 42,265.04/x
  3. Step 3: Cross multiply
    70,579.40x = 97,381.32 × 42,265.04
  4. Step 4: Simplify right side
    70,579.40x = 4,115,825,385.05
  5. Step 5: Solve for x
    x = 4,115,825,385.05/70,579.40
  6. Step 6: Final answer
    x = 58,314.83

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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.