Home / 92,758.94-128,007.38-52,471.86

Finding the Fourth Proportional to 92,758.94, 128,007.38 and 52,471.86

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Solution

The fourth proportional to 92,758.94, 128,007.38 and 52,471.86 is: 72,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,758.94 : 128,007.38 = 52,471.86 : x
  2. Step 2: Convert to fraction form
    92,758.94/128,007.38 = 52,471.86/x
  3. Step 3: Cross multiply
    92,758.94x = 128,007.38 × 52,471.86
  4. Step 4: Simplify right side
    92,758.94x = 6,716,785,322.33
  5. Step 5: Solve for x
    x = 6,716,785,322.33/92,758.94
  6. Step 6: Final answer
    x = 72,411.19

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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.