Home / 74,564.04-111,870.66-30,228.08

Finding the Fourth Proportional to 74,564.04, 111,870.66 and 30,228.08

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Solution

The fourth proportional to 74,564.04, 111,870.66 and 30,228.08 is: 45,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.04 : 111,870.66 = 30,228.08 : x
  2. Step 2: Convert to fraction form
    74,564.04/111,870.66 = 30,228.08/x
  3. Step 3: Cross multiply
    74,564.04x = 111,870.66 × 30,228.08
  4. Step 4: Simplify right side
    74,564.04x = 3,381,635,260.13
  5. Step 5: Solve for x
    x = 3,381,635,260.13/74,564.04
  6. Step 6: Final answer
    x = 45,352.09

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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.