Home / 85,562.96-128,289.76-41,101.25

Finding the Fourth Proportional to 85,562.96, 128,289.76 and 41,101.25

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Solution

The fourth proportional to 85,562.96, 128,289.76 and 41,101.25 is: 61,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,562.96 : 128,289.76 = 41,101.25 : x
  2. Step 2: Convert to fraction form
    85,562.96/128,289.76 = 41,101.25/x
  3. Step 3: Cross multiply
    85,562.96x = 128,289.76 × 41,101.25
  4. Step 4: Simplify right side
    85,562.96x = 5,272,868,754.00
  5. Step 5: Solve for x
    x = 5,272,868,754.00/85,562.96
  6. Step 6: Final answer
    x = 61,625.60

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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.