Home / 72,529.30-100,088.08-40,698.73

Finding the Fourth Proportional to 72,529.30, 100,088.08 and 40,698.73

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Solution

The fourth proportional to 72,529.30, 100,088.08 and 40,698.73 is: 56,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,529.30 : 100,088.08 = 40,698.73 : x
  2. Step 2: Convert to fraction form
    72,529.30/100,088.08 = 40,698.73/x
  3. Step 3: Cross multiply
    72,529.30x = 100,088.08 × 40,698.73
  4. Step 4: Simplify right side
    72,529.30x = 4,073,457,744.14
  5. Step 5: Solve for x
    x = 4,073,457,744.14/72,529.30
  6. Step 6: Final answer
    x = 56,162.93

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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.