Home / 54,170.16-74,753.43-29,970.51

Finding the Fourth Proportional to 54,170.16, 74,753.43 and 29,970.51

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Solution

The fourth proportional to 54,170.16, 74,753.43 and 29,970.51 is: 41,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,170.16 : 74,753.43 = 29,970.51 : x
  2. Step 2: Convert to fraction form
    54,170.16/74,753.43 = 29,970.51/x
  3. Step 3: Cross multiply
    54,170.16x = 74,753.43 × 29,970.51
  4. Step 4: Simplify right side
    54,170.16x = 2,240,398,421.35
  5. Step 5: Solve for x
    x = 2,240,398,421.35/54,170.16
  6. Step 6: Final answer
    x = 41,358.53

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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.