Home / 69,619.48-96,078.06-42,756.64

Finding the Fourth Proportional to 69,619.48, 96,078.06 and 42,756.64

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Solution

The fourth proportional to 69,619.48, 96,078.06 and 42,756.64 is: 59,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619.48 : 96,078.06 = 42,756.64 : x
  2. Step 2: Convert to fraction form
    69,619.48/96,078.06 = 42,756.64/x
  3. Step 3: Cross multiply
    69,619.48x = 96,078.06 × 42,756.64
  4. Step 4: Simplify right side
    69,619.48x = 4,107,975,023.32
  5. Step 5: Solve for x
    x = 4,107,975,023.32/69,619.48
  6. Step 6: Final answer
    x = 59,006.11

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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.