Home / 70,949.02-97,807.92-55,815.40

Finding the Fourth Proportional to 70,949.02, 97,807.92 and 55,815.40

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Solution

The fourth proportional to 70,949.02, 97,807.92 and 55,815.40 is: 76,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.02 : 97,807.92 = 55,815.40 : x
  2. Step 2: Convert to fraction form
    70,949.02/97,807.92 = 55,815.40/x
  3. Step 3: Cross multiply
    70,949.02x = 97,807.92 × 55,815.40
  4. Step 4: Simplify right side
    70,949.02x = 5,459,188,177.97
  5. Step 5: Solve for x
    x = 5,459,188,177.97/70,949.02
  6. Step 6: Final answer
    x = 76,945.22

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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.