Home / 53,004.09-73,144.18-29,130.76

Finding the Fourth Proportional to 53,004.09, 73,144.18 and 29,130.76

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Solution

The fourth proportional to 53,004.09, 73,144.18 and 29,130.76 is: 40,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.09 : 73,144.18 = 29,130.76 : x
  2. Step 2: Convert to fraction form
    53,004.09/73,144.18 = 29,130.76/x
  3. Step 3: Cross multiply
    53,004.09x = 73,144.18 × 29,130.76
  4. Step 4: Simplify right side
    53,004.09x = 2,130,745,552.98
  5. Step 5: Solve for x
    x = 2,130,745,552.98/53,004.09
  6. Step 6: Final answer
    x = 40,199.64

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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.