Home / 107,875.40-161,726.70-45,494.60

Finding the Fourth Proportional to 107,875.40, 161,726.70 and 45,494.60

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Solution

The fourth proportional to 107,875.40, 161,726.70 and 45,494.60 is: 68,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,875.40 : 161,726.70 = 45,494.60 : x
  2. Step 2: Convert to fraction form
    107,875.40/161,726.70 = 45,494.60/x
  3. Step 3: Cross multiply
    107,875.40x = 161,726.70 × 45,494.60
  4. Step 4: Simplify right side
    107,875.40x = 7,357,691,525.82
  5. Step 5: Solve for x
    x = 7,357,691,525.82/107,875.40
  6. Step 6: Final answer
    x = 68,205.46

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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.