Home / 53,724.57-74,135.57-31,065.03

Finding the Fourth Proportional to 53,724.57, 74,135.57 and 31,065.03

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Solution

The fourth proportional to 53,724.57, 74,135.57 and 31,065.03 is: 42,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,724.57 : 74,135.57 = 31,065.03 : x
  2. Step 2: Convert to fraction form
    53,724.57/74,135.57 = 31,065.03/x
  3. Step 3: Cross multiply
    53,724.57x = 74,135.57 × 31,065.03
  4. Step 4: Simplify right side
    53,724.57x = 2,303,023,725.53
  5. Step 5: Solve for x
    x = 2,303,023,725.53/53,724.57
  6. Step 6: Final answer
    x = 42,867.23

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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.