Home / 53,003.88-73,143.81-29,130.51

Finding the Fourth Proportional to 53,003.88, 73,143.81 and 29,130.51

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Solution

The fourth proportional to 53,003.88, 73,143.81 and 29,130.51 is: 40,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.88 : 73,143.81 = 29,130.51 : x
  2. Step 2: Convert to fraction form
    53,003.88/73,143.81 = 29,130.51/x
  3. Step 3: Cross multiply
    53,003.88x = 73,143.81 × 29,130.51
  4. Step 4: Simplify right side
    53,003.88x = 2,130,716,488.64
  5. Step 5: Solve for x
    x = 2,130,716,488.64/53,003.88
  6. Step 6: Final answer
    x = 40,199.26

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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.