Home / 86,209.95-129,314.81-27,050.24

Finding the Fourth Proportional to 86,209.95, 129,314.81 and 27,050.24

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Solution

The fourth proportional to 86,209.95, 129,314.81 and 27,050.24 is: 40,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,209.95 : 129,314.81 = 27,050.24 : x
  2. Step 2: Convert to fraction form
    86,209.95/129,314.81 = 27,050.24/x
  3. Step 3: Cross multiply
    86,209.95x = 129,314.81 × 27,050.24
  4. Step 4: Simplify right side
    86,209.95x = 3,497,995,864.23
  5. Step 5: Solve for x
    x = 3,497,995,864.23/86,209.95
  6. Step 6: Final answer
    x = 40,575.31

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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.