Home / 74,970.60-103,428.51-52,322.73

Finding the Fourth Proportional to 74,970.60, 103,428.51 and 52,322.73

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Solution

The fourth proportional to 74,970.60, 103,428.51 and 52,322.73 is: 72,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,970.60 : 103,428.51 = 52,322.73 : x
  2. Step 2: Convert to fraction form
    74,970.60/103,428.51 = 52,322.73/x
  3. Step 3: Cross multiply
    74,970.60x = 103,428.51 × 52,322.73
  4. Step 4: Simplify right side
    74,970.60x = 5,411,662,003.03
  5. Step 5: Solve for x
    x = 5,411,662,003.03/74,970.60
  6. Step 6: Final answer
    x = 72,183.79

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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.