Home / 72,826.28-100,499.22-40,560.68

Finding the Fourth Proportional to 72,826.28, 100,499.22 and 40,560.68

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Solution

The fourth proportional to 72,826.28, 100,499.22 and 40,560.68 is: 55,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,826.28 : 100,499.22 = 40,560.68 : x
  2. Step 2: Convert to fraction form
    72,826.28/100,499.22 = 40,560.68/x
  3. Step 3: Cross multiply
    72,826.28x = 100,499.22 × 40,560.68
  4. Step 4: Simplify right side
    72,826.28x = 4,076,316,702.67
  5. Step 5: Solve for x
    x = 4,076,316,702.67/72,826.28
  6. Step 6: Final answer
    x = 55,973.16

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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.