Home / 72,964.24-100,690.50-41,133.40

Finding the Fourth Proportional to 72,964.24, 100,690.50 and 41,133.40

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Solution

The fourth proportional to 72,964.24, 100,690.50 and 41,133.40 is: 56,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,964.24 : 100,690.50 = 41,133.40 : x
  2. Step 2: Convert to fraction form
    72,964.24/100,690.50 = 41,133.40/x
  3. Step 3: Cross multiply
    72,964.24x = 100,690.50 × 41,133.40
  4. Step 4: Simplify right side
    72,964.24x = 4,141,742,612.70
  5. Step 5: Solve for x
    x = 4,141,742,612.70/72,964.24
  6. Step 6: Final answer
    x = 56,764.01

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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.