Home / 92,834.19-128,112.59-50,392.71

Finding the Fourth Proportional to 92,834.19, 128,112.59 and 50,392.71

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Solution

The fourth proportional to 92,834.19, 128,112.59 and 50,392.71 is: 69,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,834.19 : 128,112.59 = 50,392.71 : x
  2. Step 2: Convert to fraction form
    92,834.19/128,112.59 = 50,392.71/x
  3. Step 3: Cross multiply
    92,834.19x = 128,112.59 × 50,392.71
  4. Step 4: Simplify right side
    92,834.19x = 6,455,940,343.26
  5. Step 5: Solve for x
    x = 6,455,940,343.26/92,834.19
  6. Step 6: Final answer
    x = 69,542.70

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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.