Home / 76,196.19-105,151.53-45,975.66

Finding the Fourth Proportional to 76,196.19, 105,151.53 and 45,975.66

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Solution

The fourth proportional to 76,196.19, 105,151.53 and 45,975.66 is: 63,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,196.19 : 105,151.53 = 45,975.66 : x
  2. Step 2: Convert to fraction form
    76,196.19/105,151.53 = 45,975.66/x
  3. Step 3: Cross multiply
    76,196.19x = 105,151.53 × 45,975.66
  4. Step 4: Simplify right side
    76,196.19x = 4,834,410,991.76
  5. Step 5: Solve for x
    x = 4,834,410,991.76/76,196.19
  6. Step 6: Final answer
    x = 63,446.89

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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.