Home / 76,590.04-105,693.24-43,056.04

Finding the Fourth Proportional to 76,590.04, 105,693.24 and 43,056.04

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Solution

The fourth proportional to 76,590.04, 105,693.24 and 43,056.04 is: 59,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,590.04 : 105,693.24 = 43,056.04 : x
  2. Step 2: Convert to fraction form
    76,590.04/105,693.24 = 43,056.04/x
  3. Step 3: Cross multiply
    76,590.04x = 105,693.24 × 43,056.04
  4. Step 4: Simplify right side
    76,590.04x = 4,550,732,369.17
  5. Step 5: Solve for x
    x = 4,550,732,369.17/76,590.04
  6. Step 6: Final answer
    x = 59,416.76

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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.