Home / 86,406.84-129,617.64-24,077.34

Finding the Fourth Proportional to 86,406.84, 129,617.64 and 24,077.34

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Solution

The fourth proportional to 86,406.84, 129,617.64 and 24,077.34 is: 36,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,406.84 : 129,617.64 = 24,077.34 : x
  2. Step 2: Convert to fraction form
    86,406.84/129,617.64 = 24,077.34/x
  3. Step 3: Cross multiply
    86,406.84x = 129,617.64 × 24,077.34
  4. Step 4: Simplify right side
    86,406.84x = 3,120,847,988.28
  5. Step 5: Solve for x
    x = 3,120,847,988.28/86,406.84
  6. Step 6: Final answer
    x = 36,118.07

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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.