Home / 98,365.02-135,739.80-58,091.76

Finding the Fourth Proportional to 98,365.02, 135,739.80 and 58,091.76

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Solution

The fourth proportional to 98,365.02, 135,739.80 and 58,091.76 is: 80,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,365.02 : 135,739.80 = 58,091.76 : x
  2. Step 2: Convert to fraction form
    98,365.02/135,739.80 = 58,091.76/x
  3. Step 3: Cross multiply
    98,365.02x = 135,739.80 × 58,091.76
  4. Step 4: Simplify right side
    98,365.02x = 7,885,363,884.05
  5. Step 5: Solve for x
    x = 7,885,363,884.05/98,365.02
  6. Step 6: Final answer
    x = 80,164.31

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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.