Home / 72,624.56-100,204.26-42,392.72

Finding the Fourth Proportional to 72,624.56, 100,204.26 and 42,392.72

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Solution

The fourth proportional to 72,624.56, 100,204.26 and 42,392.72 is: 58,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,624.56 : 100,204.26 = 42,392.72 : x
  2. Step 2: Convert to fraction form
    72,624.56/100,204.26 = 42,392.72/x
  3. Step 3: Cross multiply
    72,624.56x = 100,204.26 × 42,392.72
  4. Step 4: Simplify right side
    72,624.56x = 4,247,931,136.99
  5. Step 5: Solve for x
    x = 4,247,931,136.99/72,624.56
  6. Step 6: Final answer
    x = 58,491.66

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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.