Home / 55,541.70-76,649.58-31,668.12

Finding the Fourth Proportional to 55,541.70, 76,649.58 and 31,668.12

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Solution

The fourth proportional to 55,541.70, 76,649.58 and 31,668.12 is: 43,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.70 : 76,649.58 = 31,668.12 : x
  2. Step 2: Convert to fraction form
    55,541.70/76,649.58 = 31,668.12/x
  3. Step 3: Cross multiply
    55,541.70x = 76,649.58 × 31,668.12
  4. Step 4: Simplify right side
    55,541.70x = 2,427,348,097.39
  5. Step 5: Solve for x
    x = 2,427,348,097.39/55,541.70
  6. Step 6: Final answer
    x = 43,703.17

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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.