Home / 55,458.09-76,442.13-43,337.43

Finding the Fourth Proportional to 55,458.09, 76,442.13 and 43,337.43

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Solution

The fourth proportional to 55,458.09, 76,442.13 and 43,337.43 is: 59,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,458.09 : 76,442.13 = 43,337.43 : x
  2. Step 2: Convert to fraction form
    55,458.09/76,442.13 = 43,337.43/x
  3. Step 3: Cross multiply
    55,458.09x = 76,442.13 × 43,337.43
  4. Step 4: Simplify right side
    55,458.09x = 3,312,805,457.93
  5. Step 5: Solve for x
    x = 3,312,805,457.93/55,458.09
  6. Step 6: Final answer
    x = 59,735.30

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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.