Home / 75,869.74-104,641.04-48,648.42

Finding the Fourth Proportional to 75,869.74, 104,641.04 and 48,648.42

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Solution

The fourth proportional to 75,869.74, 104,641.04 and 48,648.42 is: 67,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,869.74 : 104,641.04 = 48,648.42 : x
  2. Step 2: Convert to fraction form
    75,869.74/104,641.04 = 48,648.42/x
  3. Step 3: Cross multiply
    75,869.74x = 104,641.04 × 48,648.42
  4. Step 4: Simplify right side
    75,869.74x = 5,090,621,263.16
  5. Step 5: Solve for x
    x = 5,090,621,263.16/75,869.74
  6. Step 6: Final answer
    x = 67,096.86

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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.