Home / 75,178.51-112,841.57-56,504.26

Finding the Fourth Proportional to 75,178.51, 112,841.57 and 56,504.26

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Solution

The fourth proportional to 75,178.51, 112,841.57 and 56,504.26 is: 84,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,178.51 : 112,841.57 = 56,504.26 : x
  2. Step 2: Convert to fraction form
    75,178.51/112,841.57 = 56,504.26/x
  3. Step 3: Cross multiply
    75,178.51x = 112,841.57 × 56,504.26
  4. Step 4: Simplify right side
    75,178.51x = 6,376,029,410.09
  5. Step 5: Solve for x
    x = 6,376,029,410.09/75,178.51
  6. Step 6: Final answer
    x = 84,811.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.