Home / 98,177.32-135,485.22-57,365.20

Finding the Fourth Proportional to 98,177.32, 135,485.22 and 57,365.20

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Solution

The fourth proportional to 98,177.32, 135,485.22 and 57,365.20 is: 79,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,177.32 : 135,485.22 = 57,365.20 : x
  2. Step 2: Convert to fraction form
    98,177.32/135,485.22 = 57,365.20/x
  3. Step 3: Cross multiply
    98,177.32x = 135,485.22 × 57,365.20
  4. Step 4: Simplify right side
    98,177.32x = 7,772,136,742.34
  5. Step 5: Solve for x
    x = 7,772,136,742.34/98,177.32
  6. Step 6: Final answer
    x = 79,164.28

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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.