Home / 76,688.20-115,032.30-24,097.60

Finding the Fourth Proportional to 76,688.20, 115,032.30 and 24,097.60

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Solution

The fourth proportional to 76,688.20, 115,032.30 and 24,097.60 is: 36,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688.20 : 115,032.30 = 24,097.60 : x
  2. Step 2: Convert to fraction form
    76,688.20/115,032.30 = 24,097.60/x
  3. Step 3: Cross multiply
    76,688.20x = 115,032.30 × 24,097.60
  4. Step 4: Simplify right side
    76,688.20x = 2,772,002,352.48
  5. Step 5: Solve for x
    x = 2,772,002,352.48/76,688.20
  6. Step 6: Final answer
    x = 36,146.40

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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.