Home / 70,916.20-97,864.62-42,622.36

Finding the Fourth Proportional to 70,916.20, 97,864.62 and 42,622.36

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Solution

The fourth proportional to 70,916.20, 97,864.62 and 42,622.36 is: 58,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,916.20 : 97,864.62 = 42,622.36 : x
  2. Step 2: Convert to fraction form
    70,916.20/97,864.62 = 42,622.36/x
  3. Step 3: Cross multiply
    70,916.20x = 97,864.62 × 42,622.36
  4. Step 4: Simplify right side
    70,916.20x = 4,171,221,064.90
  5. Step 5: Solve for x
    x = 4,171,221,064.90/70,916.20
  6. Step 6: Final answer
    x = 58,819.02

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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.