Home / 91,050.48-136,575.54-28,725.84

Finding the Fourth Proportional to 91,050.48, 136,575.54 and 28,725.84

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Solution

The fourth proportional to 91,050.48, 136,575.54 and 28,725.84 is: 43,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,050.48 : 136,575.54 = 28,725.84 : x
  2. Step 2: Convert to fraction form
    91,050.48/136,575.54 = 28,725.84/x
  3. Step 3: Cross multiply
    91,050.48x = 136,575.54 × 28,725.84
  4. Step 4: Simplify right side
    91,050.48x = 3,923,247,109.95
  5. Step 5: Solve for x
    x = 3,923,247,109.95/91,050.48
  6. Step 6: Final answer
    x = 43,088.70

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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.