Home / 86,415.28-129,624.96-23,235.52

Finding the Fourth Proportional to 86,415.28, 129,624.96 and 23,235.52

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Solution

The fourth proportional to 86,415.28, 129,624.96 and 23,235.52 is: 34,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,415.28 : 129,624.96 = 23,235.52 : x
  2. Step 2: Convert to fraction form
    86,415.28/129,624.96 = 23,235.52/x
  3. Step 3: Cross multiply
    86,415.28x = 129,624.96 × 23,235.52
  4. Step 4: Simplify right side
    86,415.28x = 3,011,903,350.58
  5. Step 5: Solve for x
    x = 3,011,903,350.58/86,415.28
  6. Step 6: Final answer
    x = 34,853.83

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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.