Home / 46,171.36-63,769.03-31,037.78

Finding the Fourth Proportional to 46,171.36, 63,769.03 and 31,037.78

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Solution

The fourth proportional to 46,171.36, 63,769.03 and 31,037.78 is: 42,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,171.36 : 63,769.03 = 31,037.78 : x
  2. Step 2: Convert to fraction form
    46,171.36/63,769.03 = 31,037.78/x
  3. Step 3: Cross multiply
    46,171.36x = 63,769.03 × 31,037.78
  4. Step 4: Simplify right side
    46,171.36x = 1,979,249,123.95
  5. Step 5: Solve for x
    x = 1,979,249,123.95/46,171.36
  6. Step 6: Final answer
    x = 42,867.46

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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.