Home / 87,097.95-130,645.78-30,907.10

Finding the Fourth Proportional to 87,097.95, 130,645.78 and 30,907.10

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Solution

The fourth proportional to 87,097.95, 130,645.78 and 30,907.10 is: 46,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097.95 : 130,645.78 = 30,907.10 : x
  2. Step 2: Convert to fraction form
    87,097.95/130,645.78 = 30,907.10/x
  3. Step 3: Cross multiply
    87,097.95x = 130,645.78 × 30,907.10
  4. Step 4: Simplify right side
    87,097.95x = 4,037,882,436.38
  5. Step 5: Solve for x
    x = 4,037,882,436.38/87,097.95
  6. Step 6: Final answer
    x = 46,360.25

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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.