Home / 92,758.26-128,009.21-52,471.24

Finding the Fourth Proportional to 92,758.26, 128,009.21 and 52,471.24

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Solution

The fourth proportional to 92,758.26, 128,009.21 and 52,471.24 is: 72,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,758.26 : 128,009.21 = 52,471.24 : x
  2. Step 2: Convert to fraction form
    92,758.26/128,009.21 = 52,471.24/x
  3. Step 3: Cross multiply
    92,758.26x = 128,009.21 × 52,471.24
  4. Step 4: Simplify right side
    92,758.26x = 6,716,802,412.94
  5. Step 5: Solve for x
    x = 6,716,802,412.94/92,758.26
  6. Step 6: Final answer
    x = 72,411.90

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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.