Home / 53,625.71-74,014.25-30,968.39

Finding the Fourth Proportional to 53,625.71, 74,014.25 and 30,968.39

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Solution

The fourth proportional to 53,625.71, 74,014.25 and 30,968.39 is: 42,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,625.71 : 74,014.25 = 30,968.39 : x
  2. Step 2: Convert to fraction form
    53,625.71/74,014.25 = 30,968.39/x
  3. Step 3: Cross multiply
    53,625.71x = 74,014.25 × 30,968.39
  4. Step 4: Simplify right side
    53,625.71x = 2,292,102,159.56
  5. Step 5: Solve for x
    x = 2,292,102,159.56/53,625.71
  6. Step 6: Final answer
    x = 42,742.60

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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.