Home / 74,826.67-103,262.98-40,837.34

Finding the Fourth Proportional to 74,826.67, 103,262.98 and 40,837.34

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Solution

The fourth proportional to 74,826.67, 103,262.98 and 40,837.34 is: 56,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.67 : 103,262.98 = 40,837.34 : x
  2. Step 2: Convert to fraction form
    74,826.67/103,262.98 = 40,837.34/x
  3. Step 3: Cross multiply
    74,826.67x = 103,262.98 × 40,837.34
  4. Step 4: Simplify right side
    74,826.67x = 4,216,985,423.67
  5. Step 5: Solve for x
    x = 4,216,985,423.67/74,826.67
  6. Step 6: Final answer
    x = 56,356.72

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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.