Home / 96,725.69-133,478.84-57,985.42

Finding the Fourth Proportional to 96,725.69, 133,478.84 and 57,985.42

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Solution

The fourth proportional to 96,725.69, 133,478.84 and 57,985.42 is: 80,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,725.69 : 133,478.84 = 57,985.42 : x
  2. Step 2: Convert to fraction form
    96,725.69/133,478.84 = 57,985.42/x
  3. Step 3: Cross multiply
    96,725.69x = 133,478.84 × 57,985.42
  4. Step 4: Simplify right side
    96,725.69x = 7,739,826,333.88
  5. Step 5: Solve for x
    x = 7,739,826,333.88/96,725.69
  6. Step 6: Final answer
    x = 80,018.31

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1.5x scale

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.