Home / 96,671.36-145,019.04-34,342.40

Finding the Fourth Proportional to 96,671.36, 145,019.04 and 34,342.40

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Solution

The fourth proportional to 96,671.36, 145,019.04 and 34,342.40 is: 51,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,671.36 : 145,019.04 = 34,342.40 : x
  2. Step 2: Convert to fraction form
    96,671.36/145,019.04 = 34,342.40/x
  3. Step 3: Cross multiply
    96,671.36x = 145,019.04 × 34,342.40
  4. Step 4: Simplify right side
    96,671.36x = 4,980,301,879.30
  5. Step 5: Solve for x
    x = 4,980,301,879.30/96,671.36
  6. Step 6: Final answer
    x = 51,517.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.