Home / 53,003.90-73,210.29-39,634.63

Finding the Fourth Proportional to 53,003.90, 73,210.29 and 39,634.63

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Solution

The fourth proportional to 53,003.90, 73,210.29 and 39,634.63 is: 54,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.90 : 73,210.29 = 39,634.63 : x
  2. Step 2: Convert to fraction form
    53,003.90/73,210.29 = 39,634.63/x
  3. Step 3: Cross multiply
    53,003.90x = 73,210.29 × 39,634.63
  4. Step 4: Simplify right side
    53,003.90x = 2,901,662,756.34
  5. Step 5: Solve for x
    x = 2,901,662,756.34/53,003.90
  6. Step 6: Final answer
    x = 54,744.33

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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.