Home / 74,953.28-103,426.72-41,417.28

Finding the Fourth Proportional to 74,953.28, 103,426.72 and 41,417.28

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Solution

The fourth proportional to 74,953.28, 103,426.72 and 41,417.28 is: 57,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,953.28 : 103,426.72 = 41,417.28 : x
  2. Step 2: Convert to fraction form
    74,953.28/103,426.72 = 41,417.28/x
  3. Step 3: Cross multiply
    74,953.28x = 103,426.72 × 41,417.28
  4. Step 4: Simplify right side
    74,953.28x = 4,283,653,421.72
  5. Step 5: Solve for x
    x = 4,283,653,421.72/74,953.28
  6. Step 6: Final answer
    x = 57,150.98

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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.