Home / 74,842.77-103,285.17-40,853.37

Finding the Fourth Proportional to 74,842.77, 103,285.17 and 40,853.37

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Solution

The fourth proportional to 74,842.77, 103,285.17 and 40,853.37 is: 56,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,842.77 : 103,285.17 = 40,853.37 : x
  2. Step 2: Convert to fraction form
    74,842.77/103,285.17 = 40,853.37/x
  3. Step 3: Cross multiply
    74,842.77x = 103,285.17 × 40,853.37
  4. Step 4: Simplify right side
    74,842.77x = 4,219,547,265.52
  5. Step 5: Solve for x
    x = 4,219,547,265.52/74,842.77
  6. Step 6: Final answer
    x = 56,378.82

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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.