Home / 85,726.36-128,553.46-32,409.32

Finding the Fourth Proportional to 85,726.36, 128,553.46 and 32,409.32

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Solution

The fourth proportional to 85,726.36, 128,553.46 and 32,409.32 is: 48,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,726.36 : 128,553.46 = 32,409.32 : x
  2. Step 2: Convert to fraction form
    85,726.36/128,553.46 = 32,409.32/x
  3. Step 3: Cross multiply
    85,726.36x = 128,553.46 × 32,409.32
  4. Step 4: Simplify right side
    85,726.36x = 4,166,330,222.25
  5. Step 5: Solve for x
    x = 4,166,330,222.25/85,726.36
  6. Step 6: Final answer
    x = 48,600.34

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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.