Home / 74,826.15-103,259.20-40,835.21

Finding the Fourth Proportional to 74,826.15, 103,259.20 and 40,835.21

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Solution

The fourth proportional to 74,826.15, 103,259.20 and 40,835.21 is: 56,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.15 : 103,259.20 = 40,835.21 : x
  2. Step 2: Convert to fraction form
    74,826.15/103,259.20 = 40,835.21/x
  3. Step 3: Cross multiply
    74,826.15x = 103,259.20 × 40,835.21
  4. Step 4: Simplify right side
    74,826.15x = 4,216,611,272.49
  5. Step 5: Solve for x
    x = 4,216,611,272.49/74,826.15
  6. Step 6: Final answer
    x = 56,352.11

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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.