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Finding the Fourth Proportional to 76,350.68, 114,432.06 and 36,390.68

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Solution

The fourth proportional to 76,350.68, 114,432.06 and 36,390.68 is: 54,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,350.68 : 114,432.06 = 36,390.68 : x
  2. Step 2: Convert to fraction form
    76,350.68/114,432.06 = 36,390.68/x
  3. Step 3: Cross multiply
    76,350.68x = 114,432.06 × 36,390.68
  4. Step 4: Simplify right side
    76,350.68x = 4,164,260,477.20
  5. Step 5: Solve for x
    x = 4,164,260,477.20/76,350.68
  6. Step 6: Final answer
    x = 54,541.24

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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.