Home / 90,608.60-125,040.72-52,875.56

Finding the Fourth Proportional to 90,608.60, 125,040.72 and 52,875.56

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Solution

The fourth proportional to 90,608.60, 125,040.72 and 52,875.56 is: 72,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,608.60 : 125,040.72 = 52,875.56 : x
  2. Step 2: Convert to fraction form
    90,608.60/125,040.72 = 52,875.56/x
  3. Step 3: Cross multiply
    90,608.60x = 125,040.72 × 52,875.56
  4. Step 4: Simplify right side
    90,608.60x = 6,611,598,092.80
  5. Step 5: Solve for x
    x = 6,611,598,092.80/90,608.60
  6. Step 6: Final answer
    x = 72,968.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.