Home / 76,810.48-105,997.40-43,277.04

Finding the Fourth Proportional to 76,810.48, 105,997.40 and 43,277.04

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Solution

The fourth proportional to 76,810.48, 105,997.40 and 43,277.04 is: 59,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,810.48 : 105,997.40 = 43,277.04 : x
  2. Step 2: Convert to fraction form
    76,810.48/105,997.40 = 43,277.04/x
  3. Step 3: Cross multiply
    76,810.48x = 105,997.40 × 43,277.04
  4. Step 4: Simplify right side
    76,810.48x = 4,587,253,719.70
  5. Step 5: Solve for x
    x = 4,587,253,719.70/76,810.48
  6. Step 6: Final answer
    x = 59,721.72

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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.