Home / 91,479.68-136,998.05-63,320.84

Finding the Fourth Proportional to 91,479.68, 136,998.05 and 63,320.84

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Solution

The fourth proportional to 91,479.68, 136,998.05 and 63,320.84 is: 94,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,479.68 : 136,998.05 = 63,320.84 : x
  2. Step 2: Convert to fraction form
    91,479.68/136,998.05 = 63,320.84/x
  3. Step 3: Cross multiply
    91,479.68x = 136,998.05 × 63,320.84
  4. Step 4: Simplify right side
    91,479.68x = 8,674,831,604.36
  5. Step 5: Solve for x
    x = 8,674,831,604.36/91,479.68
  6. Step 6: Final answer
    x = 94,827.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.