Home / 53,155.16-73,353.78-29,281.28

Finding the Fourth Proportional to 53,155.16, 73,353.78 and 29,281.28

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Solution

The fourth proportional to 53,155.16, 73,353.78 and 29,281.28 is: 40,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155.16 : 73,353.78 = 29,281.28 : x
  2. Step 2: Convert to fraction form
    53,155.16/73,353.78 = 29,281.28/x
  3. Step 3: Cross multiply
    53,155.16x = 73,353.78 × 29,281.28
  4. Step 4: Simplify right side
    53,155.16x = 2,147,892,571.24
  5. Step 5: Solve for x
    x = 2,147,892,571.24/53,155.16
  6. Step 6: Final answer
    x = 40,407.98

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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.