Home / 86,279.04-129,440.43-46,825.56

Finding the Fourth Proportional to 86,279.04, 129,440.43 and 46,825.56

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Solution

The fourth proportional to 86,279.04, 129,440.43 and 46,825.56 is: 70,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,279.04 : 129,440.43 = 46,825.56 : x
  2. Step 2: Convert to fraction form
    86,279.04/129,440.43 = 46,825.56/x
  3. Step 3: Cross multiply
    86,279.04x = 129,440.43 × 46,825.56
  4. Step 4: Simplify right side
    86,279.04x = 6,061,120,621.39
  5. Step 5: Solve for x
    x = 6,061,120,621.39/86,279.04
  6. Step 6: Final answer
    x = 70,250.21

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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.