Home / 86,972.98-130,448.58-27,803.74

Finding the Fourth Proportional to 86,972.98, 130,448.58 and 27,803.74

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Solution

The fourth proportional to 86,972.98, 130,448.58 and 27,803.74 is: 41,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.98 : 130,448.58 = 27,803.74 : x
  2. Step 2: Convert to fraction form
    86,972.98/130,448.58 = 27,803.74/x
  3. Step 3: Cross multiply
    86,972.98x = 130,448.58 × 27,803.74
  4. Step 4: Simplify right side
    86,972.98x = 3,626,958,401.69
  5. Step 5: Solve for x
    x = 3,626,958,401.69/86,972.98
  6. Step 6: Final answer
    x = 41,702.13

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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.