Home / 74,318.40-111,508.87-46,261.92

Finding the Fourth Proportional to 74,318.40, 111,508.87 and 46,261.92

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Solution

The fourth proportional to 74,318.40, 111,508.87 and 46,261.92 is: 69,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318.40 : 111,508.87 = 46,261.92 : x
  2. Step 2: Convert to fraction form
    74,318.40/111,508.87 = 46,261.92/x
  3. Step 3: Cross multiply
    74,318.40x = 111,508.87 × 46,261.92
  4. Step 4: Simplify right side
    74,318.40x = 5,158,614,423.23
  5. Step 5: Solve for x
    x = 5,158,614,423.23/74,318.40
  6. Step 6: Final answer
    x = 69,412.35

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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.