Home / 69,975.61-96,568.30-42,756.12

Finding the Fourth Proportional to 69,975.61, 96,568.30 and 42,756.12

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Solution

The fourth proportional to 69,975.61, 96,568.30 and 42,756.12 is: 59,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,975.61 : 96,568.30 = 42,756.12 : x
  2. Step 2: Convert to fraction form
    69,975.61/96,568.30 = 42,756.12/x
  3. Step 3: Cross multiply
    69,975.61x = 96,568.30 × 42,756.12
  4. Step 4: Simplify right side
    69,975.61x = 4,128,885,876.44
  5. Step 5: Solve for x
    x = 4,128,885,876.44/69,975.61
  6. Step 6: Final answer
    x = 59,004.64

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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.