Home / 53,187.51-73,399.28-29,315.10

Finding the Fourth Proportional to 53,187.51, 73,399.28 and 29,315.10

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Solution

The fourth proportional to 53,187.51, 73,399.28 and 29,315.10 is: 40,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,187.51 : 73,399.28 = 29,315.10 : x
  2. Step 2: Convert to fraction form
    53,187.51/73,399.28 = 29,315.10/x
  3. Step 3: Cross multiply
    53,187.51x = 73,399.28 × 29,315.10
  4. Step 4: Simplify right side
    53,187.51x = 2,151,707,086.55
  5. Step 5: Solve for x
    x = 2,151,707,086.55/53,187.51
  6. Step 6: Final answer
    x = 40,455.12

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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.