Home / 53,746.80-74,171.43-31,090.92

Finding the Fourth Proportional to 53,746.80, 74,171.43 and 31,090.92

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Solution

The fourth proportional to 53,746.80, 74,171.43 and 31,090.92 is: 42,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,746.80 : 74,171.43 = 31,090.92 : x
  2. Step 2: Convert to fraction form
    53,746.80/74,171.43 = 31,090.92/x
  3. Step 3: Cross multiply
    53,746.80x = 74,171.43 × 31,090.92
  4. Step 4: Simplify right side
    53,746.80x = 2,306,057,996.42
  5. Step 5: Solve for x
    x = 2,306,057,996.42/53,746.80
  6. Step 6: Final answer
    x = 42,905.96

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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.