Home / 86,267.34-129,392.46-27,101.43

Finding the Fourth Proportional to 86,267.34, 129,392.46 and 27,101.43

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Solution

The fourth proportional to 86,267.34, 129,392.46 and 27,101.43 is: 40,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,267.34 : 129,392.46 = 27,101.43 : x
  2. Step 2: Convert to fraction form
    86,267.34/129,392.46 = 27,101.43/x
  3. Step 3: Cross multiply
    86,267.34x = 129,392.46 × 27,101.43
  4. Step 4: Simplify right side
    86,267.34x = 3,506,720,697.22
  5. Step 5: Solve for x
    x = 3,506,720,697.22/86,267.34
  6. Step 6: Final answer
    x = 40,649.46

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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.