Home / 56,175.84-77,523.12-31,025.76

Finding the Fourth Proportional to 56,175.84, 77,523.12 and 31,025.76

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Solution

The fourth proportional to 56,175.84, 77,523.12 and 31,025.76 is: 42,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,175.84 : 77,523.12 = 31,025.76 : x
  2. Step 2: Convert to fraction form
    56,175.84/77,523.12 = 31,025.76/x
  3. Step 3: Cross multiply
    56,175.84x = 77,523.12 × 31,025.76
  4. Step 4: Simplify right side
    56,175.84x = 2,405,213,715.57
  5. Step 5: Solve for x
    x = 2,405,213,715.57/56,175.84
  6. Step 6: Final answer
    x = 42,815.80

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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.