Home / 70,141.12-96,821.60-43,288

Finding the Fourth Proportional to 70,141.12, 96,821.60 and 43,288

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Solution

The fourth proportional to 70,141.12, 96,821.60 and 43,288 is: 59,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,141.12 : 96,821.60 = 43,288 : x
  2. Step 2: Convert to fraction form
    70,141.12/96,821.60 = 43,288/x
  3. Step 3: Cross multiply
    70,141.12x = 96,821.60 × 43,288
  4. Step 4: Simplify right side
    70,141.12x = 4,191,213,420.80
  5. Step 5: Solve for x
    x = 4,191,213,420.80/70,141.12
  6. Step 6: Final answer
    x = 59,754.01

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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.