Home / 86,742.23-130,113.39-24,412.73

Finding the Fourth Proportional to 86,742.23, 130,113.39 and 24,412.73

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Solution

The fourth proportional to 86,742.23, 130,113.39 and 24,412.73 is: 36,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,742.23 : 130,113.39 = 24,412.73 : x
  2. Step 2: Convert to fraction form
    86,742.23/130,113.39 = 24,412.73/x
  3. Step 3: Cross multiply
    86,742.23x = 130,113.39 × 24,412.73
  4. Step 4: Simplify right side
    86,742.23x = 3,176,423,059.45
  5. Step 5: Solve for x
    x = 3,176,423,059.45/86,742.23
  6. Step 6: Final answer
    x = 36,619.11

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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.