Home / 61,157.16-84,361.08-38,460.20

Finding the Fourth Proportional to 61,157.16, 84,361.08 and 38,460.20

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Solution

The fourth proportional to 61,157.16, 84,361.08 and 38,460.20 is: 53,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,157.16 : 84,361.08 = 38,460.20 : x
  2. Step 2: Convert to fraction form
    61,157.16/84,361.08 = 38,460.20/x
  3. Step 3: Cross multiply
    61,157.16x = 84,361.08 × 38,460.20
  4. Step 4: Simplify right side
    61,157.16x = 3,244,544,009.02
  5. Step 5: Solve for x
    x = 3,244,544,009.02/61,157.16
  6. Step 6: Final answer
    x = 53,052.56

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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.