Home / 72,817.32-100,518.99-48,957.83

Finding the Fourth Proportional to 72,817.32, 100,518.99 and 48,957.83

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Solution

The fourth proportional to 72,817.32, 100,518.99 and 48,957.83 is: 67,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,817.32 : 100,518.99 = 48,957.83 : x
  2. Step 2: Convert to fraction form
    72,817.32/100,518.99 = 48,957.83/x
  3. Step 3: Cross multiply
    72,817.32x = 100,518.99 × 48,957.83
  4. Step 4: Simplify right side
    72,817.32x = 4,921,191,624.19
  5. Step 5: Solve for x
    x = 4,921,191,624.19/72,817.32
  6. Step 6: Final answer
    x = 67,582.71

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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.