Home / 98,091.60-135,365.14-57,807.06

Finding the Fourth Proportional to 98,091.60, 135,365.14 and 57,807.06

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Solution

The fourth proportional to 98,091.60, 135,365.14 and 57,807.06 is: 79,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,091.60 : 135,365.14 = 57,807.06 : x
  2. Step 2: Convert to fraction form
    98,091.60/135,365.14 = 57,807.06/x
  3. Step 3: Cross multiply
    98,091.60x = 135,365.14 × 57,807.06
  4. Step 4: Simplify right side
    98,091.60x = 7,825,060,769.89
  5. Step 5: Solve for x
    x = 7,825,060,769.89/98,091.60
  6. Step 6: Final answer
    x = 79,773.00

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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.