Home / 72,532.16-100,096.20-40,703.60

Finding the Fourth Proportional to 72,532.16, 100,096.20 and 40,703.60

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Solution

The fourth proportional to 72,532.16, 100,096.20 and 40,703.60 is: 56,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,532.16 : 100,096.20 = 40,703.60 : x
  2. Step 2: Convert to fraction form
    72,532.16/100,096.20 = 40,703.60/x
  3. Step 3: Cross multiply
    72,532.16x = 100,096.20 × 40,703.60
  4. Step 4: Simplify right side
    72,532.16x = 4,074,275,686.32
  5. Step 5: Solve for x
    x = 4,074,275,686.32/72,532.16
  6. Step 6: Final answer
    x = 56,171.99

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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.