Home / 72,534.21-100,096.95-40,703.04

Finding the Fourth Proportional to 72,534.21, 100,096.95 and 40,703.04

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Solution

The fourth proportional to 72,534.21, 100,096.95 and 40,703.04 is: 56,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,534.21 : 100,096.95 = 40,703.04 : x
  2. Step 2: Convert to fraction form
    72,534.21/100,096.95 = 40,703.04/x
  3. Step 3: Cross multiply
    72,534.21x = 100,096.95 × 40,703.04
  4. Step 4: Simplify right side
    72,534.21x = 4,074,250,159.73
  5. Step 5: Solve for x
    x = 4,074,250,159.73/72,534.21
  6. Step 6: Final answer
    x = 56,170.05

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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.