Home / 76,178.26-105,077.01-47,834.74

Finding the Fourth Proportional to 76,178.26, 105,077.01 and 47,834.74

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Solution

The fourth proportional to 76,178.26, 105,077.01 and 47,834.74 is: 65,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,178.26 : 105,077.01 = 47,834.74 : x
  2. Step 2: Convert to fraction form
    76,178.26/105,077.01 = 47,834.74/x
  3. Step 3: Cross multiply
    76,178.26x = 105,077.01 × 47,834.74
  4. Step 4: Simplify right side
    76,178.26x = 5,026,331,453.33
  5. Step 5: Solve for x
    x = 5,026,331,453.33/76,178.26
  6. Step 6: Final answer
    x = 65,981.18

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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.