Home / 53,197.94-73,412.66-28,998.90

Finding the Fourth Proportional to 53,197.94, 73,412.66 and 28,998.90

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Solution

The fourth proportional to 53,197.94, 73,412.66 and 28,998.90 is: 40,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,197.94 : 73,412.66 = 28,998.90 : x
  2. Step 2: Convert to fraction form
    53,197.94/73,412.66 = 28,998.90/x
  3. Step 3: Cross multiply
    53,197.94x = 73,412.66 × 28,998.90
  4. Step 4: Simplify right side
    53,197.94x = 2,128,886,386.07
  5. Step 5: Solve for x
    x = 2,128,886,386.07/53,197.94
  6. Step 6: Final answer
    x = 40,018.21

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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.