Home / 72,388.10-99,901.24-46,569.70

Finding the Fourth Proportional to 72,388.10, 99,901.24 and 46,569.70

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Solution

The fourth proportional to 72,388.10, 99,901.24 and 46,569.70 is: 64,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,388.10 : 99,901.24 = 46,569.70 : x
  2. Step 2: Convert to fraction form
    72,388.10/99,901.24 = 46,569.70/x
  3. Step 3: Cross multiply
    72,388.10x = 99,901.24 × 46,569.70
  4. Step 4: Simplify right side
    72,388.10x = 4,652,370,776.43
  5. Step 5: Solve for x
    x = 4,652,370,776.43/72,388.10
  6. Step 6: Final answer
    x = 64,269.83

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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.