Home / 76,688.16-115,032.32-24,102.24

Finding the Fourth Proportional to 76,688.16, 115,032.32 and 24,102.24

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Solution

The fourth proportional to 76,688.16, 115,032.32 and 24,102.24 is: 36,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688.16 : 115,032.32 = 24,102.24 : x
  2. Step 2: Convert to fraction form
    76,688.16/115,032.32 = 24,102.24/x
  3. Step 3: Cross multiply
    76,688.16x = 115,032.32 × 24,102.24
  4. Step 4: Simplify right side
    76,688.16x = 2,772,536,584.40
  5. Step 5: Solve for x
    x = 2,772,536,584.40/76,688.16
  6. Step 6: Final answer
    x = 36,153.39

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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.