Home / 53,909.89-74,396.37-31,250.14

Finding the Fourth Proportional to 53,909.89, 74,396.37 and 31,250.14

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Solution

The fourth proportional to 53,909.89, 74,396.37 and 31,250.14 is: 43,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,909.89 : 74,396.37 = 31,250.14 : x
  2. Step 2: Convert to fraction form
    53,909.89/74,396.37 = 31,250.14/x
  3. Step 3: Cross multiply
    53,909.89x = 74,396.37 × 31,250.14
  4. Step 4: Simplify right side
    53,909.89x = 2,324,896,909.19
  5. Step 5: Solve for x
    x = 2,324,896,909.19/53,909.89
  6. Step 6: Final answer
    x = 43,125.61

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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.