Home / 69,899.52-96,480-43,046.40

Finding the Fourth Proportional to 69,899.52, 96,480 and 43,046.40

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Solution

The fourth proportional to 69,899.52, 96,480 and 43,046.40 is: 59,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899.52 : 96,480 = 43,046.40 : x
  2. Step 2: Convert to fraction form
    69,899.52/96,480 = 43,046.40/x
  3. Step 3: Cross multiply
    69,899.52x = 96,480 × 43,046.40
  4. Step 4: Simplify right side
    69,899.52x = 4,153,116,672
  5. Step 5: Solve for x
    x = 4,153,116,672/69,899.52
  6. Step 6: Final answer
    x = 59,415.52

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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.