Home / 86,848.10-129,944.10-57,323.60

Finding the Fourth Proportional to 86,848.10, 129,944.10 and 57,323.60

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Solution

The fourth proportional to 86,848.10, 129,944.10 and 57,323.60 is: 85,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,848.10 : 129,944.10 = 57,323.60 : x
  2. Step 2: Convert to fraction form
    86,848.10/129,944.10 = 57,323.60/x
  3. Step 3: Cross multiply
    86,848.10x = 129,944.10 × 57,323.60
  4. Step 4: Simplify right side
    86,848.10x = 7,448,863,610.76
  5. Step 5: Solve for x
    x = 7,448,863,610.76/86,848.10
  6. Step 6: Final answer
    x = 85,768.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.