Home / 87,005.69-130,511.23-41,403.40

Finding the Fourth Proportional to 87,005.69, 130,511.23 and 41,403.40

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Solution

The fourth proportional to 87,005.69, 130,511.23 and 41,403.40 is: 62,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,005.69 : 130,511.23 = 41,403.40 : x
  2. Step 2: Convert to fraction form
    87,005.69/130,511.23 = 41,403.40/x
  3. Step 3: Cross multiply
    87,005.69x = 130,511.23 × 41,403.40
  4. Step 4: Simplify right side
    87,005.69x = 5,403,608,230.40
  5. Step 5: Solve for x
    x = 5,403,608,230.40/87,005.69
  6. Step 6: Final answer
    x = 62,106.38

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1.5x scale

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.