Home / 53,716.55-74,124.49-31,056.99

Finding the Fourth Proportional to 53,716.55, 74,124.49 and 31,056.99

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Solution

The fourth proportional to 53,716.55, 74,124.49 and 31,056.99 is: 42,856.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.55 : 74,124.49 = 31,056.99 : x
  2. Step 2: Convert to fraction form
    53,716.55/74,124.49 = 31,056.99/x
  3. Step 3: Cross multiply
    53,716.55x = 74,124.49 × 31,056.99
  4. Step 4: Simplify right side
    53,716.55x = 2,302,083,919.71
  5. Step 5: Solve for x
    x = 2,302,083,919.71/53,716.55
  6. Step 6: Final answer
    x = 42,856.14

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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.