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Finding the Fourth Proportional to 73,253.04, 101,089.32 and 39,719.04

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Solution

The fourth proportional to 73,253.04, 101,089.32 and 39,719.04 is: 54,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.04 : 101,089.32 = 39,719.04 : x
  2. Step 2: Convert to fraction form
    73,253.04/101,089.32 = 39,719.04/x
  3. Step 3: Cross multiply
    73,253.04x = 101,089.32 × 39,719.04
  4. Step 4: Simplify right side
    73,253.04x = 4,015,170,744.65
  5. Step 5: Solve for x
    x = 4,015,170,744.65/73,253.04
  6. Step 6: Final answer
    x = 54,812.34

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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.