Home / 86,930.40-130,394.28-24,600.84

Finding the Fourth Proportional to 86,930.40, 130,394.28 and 24,600.84

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Solution

The fourth proportional to 86,930.40, 130,394.28 and 24,600.84 is: 36,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,930.40 : 130,394.28 = 24,600.84 : x
  2. Step 2: Convert to fraction form
    86,930.40/130,394.28 = 24,600.84/x
  3. Step 3: Cross multiply
    86,930.40x = 130,394.28 × 24,600.84
  4. Step 4: Simplify right side
    86,930.40x = 3,207,808,819.20
  5. Step 5: Solve for x
    x = 3,207,808,819.20/86,930.40
  6. Step 6: Final answer
    x = 36,900.89

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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.