Home / 76,612.08-105,727.20-46,403.04

Finding the Fourth Proportional to 76,612.08, 105,727.20 and 46,403.04

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Solution

The fourth proportional to 76,612.08, 105,727.20 and 46,403.04 is: 64,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,612.08 : 105,727.20 = 46,403.04 : x
  2. Step 2: Convert to fraction form
    76,612.08/105,727.20 = 46,403.04/x
  3. Step 3: Cross multiply
    76,612.08x = 105,727.20 × 46,403.04
  4. Step 4: Simplify right side
    76,612.08x = 4,906,063,490.69
  5. Step 5: Solve for x
    x = 4,906,063,490.69/76,612.08
  6. Step 6: Final answer
    x = 64,037.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.