Home / 74,901.34-103,363.32-40,909.83

Finding the Fourth Proportional to 74,901.34, 103,363.32 and 40,909.83

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Solution

The fourth proportional to 74,901.34, 103,363.32 and 40,909.83 is: 56,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,901.34 : 103,363.32 = 40,909.83 : x
  2. Step 2: Convert to fraction form
    74,901.34/103,363.32 = 40,909.83/x
  3. Step 3: Cross multiply
    74,901.34x = 103,363.32 × 40,909.83
  4. Step 4: Simplify right side
    74,901.34x = 4,228,576,237.05
  5. Step 5: Solve for x
    x = 4,228,576,237.05/74,901.34
  6. Step 6: Final answer
    x = 56,455.28

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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.