Home / 86,966.40-130,449.60-24,636.90

Finding the Fourth Proportional to 86,966.40, 130,449.60 and 24,636.90

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Solution

The fourth proportional to 86,966.40, 130,449.60 and 24,636.90 is: 36,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,966.40 : 130,449.60 = 24,636.90 : x
  2. Step 2: Convert to fraction form
    86,966.40/130,449.60 = 24,636.90/x
  3. Step 3: Cross multiply
    86,966.40x = 130,449.60 × 24,636.90
  4. Step 4: Simplify right side
    86,966.40x = 3,213,873,750.24
  5. Step 5: Solve for x
    x = 3,213,873,750.24/86,966.40
  6. Step 6: Final answer
    x = 36,955.35

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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.