Home / 53,972.20-74,461.26-53,889.04

Finding the Fourth Proportional to 53,972.20, 74,461.26 and 53,889.04

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Solution

The fourth proportional to 53,972.20, 74,461.26 and 53,889.04 is: 74,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,972.20 : 74,461.26 = 53,889.04 : x
  2. Step 2: Convert to fraction form
    53,972.20/74,461.26 = 53,889.04/x
  3. Step 3: Cross multiply
    53,972.20x = 74,461.26 × 53,889.04
  4. Step 4: Simplify right side
    53,972.20x = 4,012,645,818.59
  5. Step 5: Solve for x
    x = 4,012,645,818.59/53,972.20
  6. Step 6: Final answer
    x = 74,346.53

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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.